Chevrolet Automobile 2009 Corvette User Manual

2009 Chevrolet Corvette Owner Manual M  
OnStar® System  
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A notice tells about something that can damage the  
vehicle.  
Safety Warnings and Symbols  
A circle with a slash  
through it is a safety  
Notice: These mean there is something that could  
damage your vehicle.  
symbol which means “Do  
Not,” “Do not do this,”  
or “Do not let this happen.”  
Many times, this damage would not be covered by the  
vehicle’s warranty, and it could be costly. The notice  
tells what to do to help avoid the damage.  
There are also warning labels on the vehicle which use  
the same words, CAUTION or Notice.  
A box with the word CAUTION is used to tell about  
things that could hurt you or others if you were to ignore  
the warning.  
Vehicle Symbols  
The vehicle has components and labels that use symbols  
instead of text. Symbols are shown along with the text  
describing the operation or information relating to a  
specific component, control, message, gage, or indicator.  
{ CAUTION:  
M : This symbol is shown when you need to see your  
owner manual for additional instructions or information.  
These mean there is something that could hurt  
you or other people.  
* : This symbol is shown when you need to see a  
service manual for additional instructions or information.  
Cautions tell what the hazard is and what to do to avoid  
or reduce the hazard. Read these cautions.  
iii  
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Vehicle Symbol Chart  
. : Fuel Gage  
Here are some additional symbols that may be found on  
the vehicle and what they mean. For more information  
on the symbol, refer to the index.  
+ : Fuses  
i : Headlamp High/Low-Beam Changer  
j : LATCH System Child Restraints  
* : Malfunction Indicator Lamp  
: : Oil Pressure  
9 : Airbag Readiness Light  
# : Air Conditioning  
! : Antilock Brake System (ABS)  
g : Audio Steering Wheel Controls or OnStar®  
$ : Brake System Warning Light  
" : Charging System  
} : Power  
/ : Remote Vehicle Start  
> : Safety Belt Reminders  
7 : Tire Pressure Monitor  
F : Traction Control  
I : Cruise Control  
B : Engine Coolant Temperature  
O : Exterior Lamps  
M : Windshield Washer Fluid  
# : Fog Lamps  
iv  
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Section 1  
Seats and Restraint System  
1-1  
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If the vehicle has a manual seat, it can be moved  
forward or rearward.  
Front Seats  
1. Lift the bar to unlock  
the seat.  
Manual Seats  
2. Slide the seat to the  
desired position and  
release the bar.  
{ CAUTION:  
You can lose control of the vehicle if you try to  
adjust a manual driver’s seat while the vehicle is  
moving. The sudden movement could startle and  
confuse you, or make you push a pedal when you  
do not want to. Adjust the driver’s seat only when  
the vehicle is not moving.  
Try to move the seat with your body to be sure the seat  
is locked in place.  
1-2  
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Power Seats  
Power Lumbar and Side Bolsters  
To adjust a power seat:  
On vehicles with power lumbar and side bolsters:  
Move (A) forward or rearward to adjust lumbar support.  
Move (B) up or down to adjust the side bolsters.  
Move the control forward or rearward to adjust the  
seat forward or rearward.  
Move the front or rear of the control up or down to  
adjust the height of the seat cushion.  
Your seat position can be stored and recalled if you have  
the memory option. See Memory Seat, Mirrors and  
Steering Wheel on page 1-4.  
1-3  
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To save seating positions in the memory:  
Heated Seats  
1. Adjust the driver’s seat, both outside mirrors, and  
the telescopic steering column to a comfortable  
driving position.  
On vehicles with heated seats, the buttons are located  
on the center console.  
The ignition must be on for this feature to work.  
2. Press and hold button 1 until two beeps let you know  
that the position has been stored in the memory.  
L : Press to turn the seat on at the high setting, and  
twice to turn it to the low setting.  
A second seating, mirror, and telescopic steering column  
position can be set by repeating the above steps and  
pressing button 2.  
9 : Press to turn the system off.  
To recall a memory position:  
Memory Seat, Mirrors and Steering  
Wheel  
On vehicles with an automatic transmission, press  
and release the desired button.  
If the vehicle is in P (Park), a single beep sounds and  
the memory position is recalled after a brief delay.  
On vehicles with the memory package, the controls are  
located on the driver’s door.  
If the vehicle is not in P (Park), three beeps sound  
and the memory position is not recalled.  
1: Saves the seating position for driver 1.  
2: Saves the seating position for driver 2.  
On vehicles with a manual transmission, when the  
vehicle is on, the parking brake needs to be set to  
recall the memory position. Press and release the  
desired button.  
B : Recalls the easy exit position.  
The numbers on the back of the keyless access  
transmitters correspond to the numbers on the memory  
buttons.  
A single beep sounds and the memory position is  
recalled after a brief delay.  
If the vehicle is on and the parking brake is not set,  
three beeps sound and the memory position is not  
recalled.  
1-4  
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For vehicles with the Auto Memory Recall, see “Auto  
Memory Recall” under DIC Vehicle Personalization  
on page 3-73 for more information.  
A second exit position can be programmed by repeating  
the above steps and pressing button 2.  
To recall an exit position:  
To stop recall movement of the memory feature, press  
one of the power seat controls, power mirror or memory  
buttons, or the telescopic steering column switch.  
On vehicles with an automatic transmission, the  
vehicle needs to be in P (Park).  
On vehicles with a manual transmission, the  
parking brake must be set.  
Easy Exit Seat  
B (Easy Exit Seat): This button is used to program  
B : Press to recall an exit position.  
and recall the desired driver’s seat exit position.  
One beep will sound and the exit position for the  
currently identified driver will be recalled.  
To program an exit position:  
1. Recall the desired driving position by pressing  
button 1.  
For vehicles with the Auto Exit Recall, see “Auto Exit  
Recall” under DIC Vehicle Personalization on page 3-73  
for more information.  
2. Adjust the seat and the telescopic steering column  
position to a comfortable exit position.  
3. Press and hold the exit button until two beeps  
sound to let you know that the exit position is  
now programmed.  
1-5  
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The seats have manual reclining seatbacks. The lever  
used to operate them is located on the outboard side of  
the seats.  
Reclining Seatbacks  
{ CAUTION:  
You can lose control of the vehicle if you try to  
adjust a manual driver’s seat while the vehicle is  
moving. The sudden movement could startle and  
confuse you, or make you push a pedal when you  
do not want to. Adjust the driver’s seat only when  
the vehicle is not moving.  
{ CAUTION:  
If either seatback is not locked, it could move  
forward in a sudden stop or crash. That could  
cause injury to the person sitting there. Always  
push and pull on the seatbacks to be sure they  
are locked.  
To adjust the seatback, lean slightly forward to lift your  
weight off the seatback. Pull completely up on the lever  
until it stops, and lean back to position the seatback to  
where you want it. Release the lever to lock the seatback  
into place.  
1-6  
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{ CAUTION:  
Sitting in a reclined position when your vehicle is  
in motion can be dangerous. Even if you buckle  
up, your safety belts cannot do their job when you  
are reclined like this.  
The shoulder belt cannot do its job. In a crash,  
you could go into it, receiving neck or other  
injuries.  
The lap belt cannot do its job either. In a crash the  
belt could go up over your abdomen. The belt  
forces would be there, not at your pelvic bones.  
This could cause serious internal injuries.  
For proper protection when the vehicle is in motion,  
have the seatback upright. Then sit well back in the  
seat and wear your safety belt properly.  
Do not have a seatback reclined if your vehicle is  
moving.  
1-7  
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To return the seatback upright, lift up on the latch and  
push the seatback rearward. The seatback must be  
locked in place.  
Seatback Latches  
{ CAUTION:  
If either seatback is not locked, it could move  
forward in a sudden stop or crash. That could  
cause injury to the person sitting there. Always  
push and pull on the seatbacks to be sure they  
are locked.  
To fold a seatback forward, lift the latch located on top  
of the backside of the seat. The seatback locks when  
folded down.  
1-8  
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Safety Belts  
{ CAUTION:  
Safety Belts: They Are for Everyone  
It is extremely dangerous to ride in a cargo area,  
inside or outside of a vehicle. In a collision, people  
riding in these areas are more likely to be seriously  
injured or killed. Do not allow people to ride in any  
area of your vehicle that is not equipped with seats  
and safety belts. Be sure everyone in your vehicle is  
in a seat and using a safety belt properly.  
This section of the manual describes how to use  
safety belts properly. It also describes some things not  
to do with safety belts.  
{ CAUTION:  
Do not let anyone ride where a safety belt cannot  
be worn properly. In a crash, if you or your  
passenger(s) are not wearing safety belts, the  
injuries can be much worse. You can hit things  
inside the vehicle harder or be ejected from the  
vehicle. You and your passenger(s) can be  
seriously injured or killed. In the same crash, you  
might not be, if you are buckled up. Always fasten  
your safety belt, and check that your passenger(s)  
are restrained properly too.  
This vehicle has indicators as a reminder to buckle the  
safety belts. See Safety Belt Reminders on page 3-35  
for additional information.  
In most states and in all Canadian provinces, the law  
requires wearing safety belts. Here is why:  
You never know if you will be in a crash. If you do have  
a crash, you do not know if it will be a serious one.  
A few crashes are mild, and some crashes can be so  
serious that even buckled up, a person would not survive.  
But most crashes are in between. In many of them,  
people who buckle up can survive and sometimes walk  
away. Without safety belts, they could have been badly  
hurt or killed.  
After more than 40 years of safety belts in vehicles, the  
facts are clear. In most crashes buckling up does  
matter... a lot!  
1-9  
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Why Safety Belts Work  
When you ride in or on anything, you go as fast as  
it goes.  
Put someone on it.  
Take the simplest vehicle. Suppose it is just a seat on  
wheels.  
1-10  
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Get it up to speed. Then stop the vehicle. The rider  
does not stop.  
The person keeps going until stopped by something.  
In a real vehicle, it could be the windshield...  
1-11  
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or the instrument panel...  
or the safety belts!  
With safety belts, you slow down as the vehicle does.  
You get more time to stop. You stop over more distance,  
and your strongest bones take the forces. That is why  
safety belts make such good sense.  
1-12  
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Questions and Answers About  
Safety Belts  
Q: If I am a good driver, and I never drive far from  
home, why should I wear safety belts?  
A: You may be an excellent driver, but if you are in a  
crash — even one that is not your fault — you and  
your passenger(s) can be hurt. Being a good  
driver does not protect you from things beyond your  
control, such as bad drivers.  
Q: Will I be trapped in the vehicle after a crash if I  
am wearing a safety belt?  
A: You could be — whether you are wearing a safety  
belt or not. But your chance of being conscious  
during and after an accident, so you can unbuckle  
and get out, is much greater if you are belted.  
And you can unbuckle a safety belt, even if you are  
upside down.  
Most accidents occur within 25 miles (40 km) of  
home. And the greatest number of serious injuries  
and deaths occur at speeds of less than 40 mph  
(65 km/h).  
Safety belts are for everyone.  
Q: If my vehicle has airbags, why should I have to  
wear safety belts?  
A: Airbags are supplemental systems only; so they  
work with safety belts — not instead of them.  
Whether or not an airbag is provided, all occupants  
still have to buckle up to get the most protection.  
That is true not only in frontal collisions, but  
especially in side and other collisions.  
1-13  
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How to Wear Safety Belts Properly  
This section is only for people of adult size.  
Be aware that there are special things to know about  
safety belts and children. And there are different  
rules for smaller children and infants. If a child will be  
riding in the vehicle, see Older Children on page 1-25 or  
Infants and Young Children on page 1-29. Follow  
those rules for everyone’s protection.  
It is very important for all occupants to buckle up.  
Statistics show that unbelted people are hurt more often  
in crashes than those who are wearing safety belts.  
Occupants who are not buckled up can be thrown out of  
the vehicle in a crash. And they can strike others in the  
vehicle who are wearing safety belts.  
First, before you or your passenger(s) wear a safety  
belt, there is important information you should know.  
Sit up straight and always keep your feet on the floor in  
front of you. The lap part of the belt should be worn low  
and snug on the hips, just touching the thighs. In a crash,  
this applies force to the strong pelvic bones and you  
would be less likely to slide under the lap belt. If you slid  
under it, the belt would apply force on your abdomen.  
This could cause serious or even fatal injuries. The  
shoulder belt should go over the shoulder and across the  
chest. These parts of the body are best able to take belt  
restraining forces.  
The shoulder belt locks if there is a sudden stop or  
crash.  
1-14  
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Q: What is wrong with this?  
{ CAUTION:  
You can be seriously hurt if your shoulder belt is  
too loose. In a crash, you would move forward too  
much, which could increase injury. The shoulder  
belt should fit snugly against your body.  
A: The shoulder belt is too loose. It will not give as  
much protection this way.  
1-15  
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Q: What is wrong with this?  
{ CAUTION:  
You can be seriously hurt if your lap belt is too  
loose. In a crash, you could slide under the lap  
belt and apply force on your abdomen. This could  
cause serious or even fatal injuries. The lap belt  
should be worn low and snug on the hips, just  
touching the thighs.  
A: The lap belt is too loose. It will not give nearly as  
much protection this way.  
1-16  
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Q: What is wrong with this?  
{ CAUTION:  
You can be seriously injured if your belt is buckled  
in the wrong place like this. In a crash, the belt  
would go up over your abdomen. The belt forces  
would be there, not on the pelvic bones. This  
could cause serious internal injuries. Always  
buckle your belt into the buckle nearest you.  
A: The belt is buckled in the wrong buckle.  
1-17  
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Q: What is wrong with this?  
{ CAUTION:  
You can be seriously injured if your belt goes over  
an armrest like this. The belt would be much too  
high. In a crash, you can slide under the belt. The  
belt force would then be applied on the abdomen,  
not on the pelvic bones, and that could cause  
serious or fatal injuries. Be sure the belt goes  
under the armrests.  
A: The belt is over an armrest.  
1-18  
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Q: What is wrong with this?  
{ CAUTION:  
You can be seriously injured if you wear the  
shoulder belt under your arm. In a crash, your  
body would move too far forward, which would  
increase the chance of head and neck injury. Also,  
the belt would apply too much force to the ribs,  
which are not as strong as shoulder bones. You  
could also severely injure internal organs like your  
liver or spleen. The shoulder belt should go over  
the shoulder and across the chest.  
A: The shoulder belt is worn under the arm. It should  
be worn over the shoulder at all times.  
1-19  
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Q: What is wrong with this?  
{ CAUTION:  
You can be seriously injured by not wearing the  
lap-shoulder belt properly. In a crash, you would  
not be restrained by the shoulder belt. Your body  
could move too far forward increasing the chance  
of head and neck injury. You might also slide  
under the lap belt. The belt force would then be  
applied right on the abdomen. That could cause  
serious or fatal injuries. The shoulder belt should  
go over the shoulder and across the chest.  
A: The belt is behind the body.  
1-20  
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Q: What is wrong with this?  
{ CAUTION:  
You can be seriously injured by a twisted belt. In a  
crash, you would not have the full width of the belt  
to spread impact forces. If a belt is twisted, make  
it straight so it can work properly, or ask your  
dealer/retailer to fix it.  
A: The belt is twisted across the body.  
1-21  
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Lap-Shoulder Belt  
All seating positions in the vehicle have a  
lap-shoulder belt.  
The following instructions explain how to wear a  
lap-shoulder belt properly.  
1. Adjust the seat, if the seat is adjustable, so you can  
sit up straight. To see how, see “Seats” in the Index.  
2. Pick up the latch plate and pull the belt across you.  
Do not let it get twisted.  
The lap-shoulder belt may lock if you pull the belt  
across you very quickly. If this happens, let the belt  
go back slightly to unlock it. Then pull the belt  
across you more slowly.  
If the shoulder portion of a passenger belt is pulled  
out all the way, the child restraint locking feature may  
be engaged. If this happens, let the belt go back all  
the way and start again.  
3. Push the latch plate into the buckle until it clicks.  
Pull up on the latch plate to make sure it is secure.  
If the belt is not long enough, see Safety Belt  
Extender on page 1-25.  
Engaging the child restraint locking feature in the  
right front seating position may affect the passenger  
sensing system. See Passenger Sensing System  
on page 1-51 for more information.  
Position the release button on the buckle so that  
the safety belt could be quickly unbuckled if  
necessary.  
1-22  
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4. To make the lap part tight, pull up on the  
shoulder belt.  
To unlatch the belt, push the button on the buckle. The  
belt should return to its stowed position.  
It may be necessary to pull stitching on the safety  
belt through the latch plate to fully tighten the  
lap belt on smaller occupants.  
Before a door is closed, be sure the safety belt is out  
of the way. If a door is slammed against a safety belt,  
damage can occur to both the safety belt and the vehicle.  
1-23  
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Safety Belt Pretensioners  
Safety Belt Use During Pregnancy  
This vehicle has safety belt pretensioners for the  
front outboard occupants. Although the safety belt  
pretensioners cannot be seen, they are part of the safety  
belt assembly. They can help tighten the safety belts  
during the early stages of a moderate to severe frontal  
and near frontal crash if the threshold conditions for  
pretensioner activation are met. And, for vehicles with  
side impact airbags, safety belt pretensioners can help  
tighten the safety belts in a side crash.  
Safety belts work for everyone, including pregnant  
women. Like all occupants, they are more likely to be  
seriously injured if they do not wear safety belts.  
Pretensioners work only once. If the pretensioners  
activate in a crash, they will need to be replaced, and  
probably other new parts for the vehicle’s safety  
After a Crash on page 1-59.  
A pregnant woman should wear a lap-shoulder belt, and  
the lap portion should be worn as low as possible,  
below the rounding, throughout the pregnancy.  
The best way to protect the fetus is to protect the mother.  
When a safety belt is worn properly, it is more likely that  
the fetus will not be hurt in a crash. For pregnant women,  
as for anyone, the key to making safety belts effective is  
wearing them properly.  
1-24  
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Safety Belt Extender  
Child Restraints  
If the vehicle’s safety belt will fasten around you, you  
should use it.  
Older Children  
But if a safety belt is not long enough, your  
dealer/retailer will order you an extender. When you go  
in to order it, take the heaviest coat you will wear,  
so the extender will be long enough for you. To help  
avoid personal injury, do not let someone else use  
it, and use it only for the seat it is made to fit. The  
extender has been designed for adults. Never use it for  
securing child seats. To wear it, attach it to the  
regular safety belt. For more information, see the  
instruction sheet that comes with the extender.  
Older children who have outgrown booster seats should  
wear the vehicle’s safety belts.  
1-25  
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The manufacturer’s instructions that come with the  
booster seat, state the weight and height limitations for  
that booster. Use a booster seat with a lap-shoulder  
belt until the child passes the below fit test:  
Q: What is the proper way to wear safety belts?  
A: An older child should wear a lap-shoulder belt  
and get the additional restraint a shoulder belt can  
provide. The shoulder belt should not cross the face  
or neck. The lap belt should fit snugly below the hips,  
just touching the top of the thighs. This applies belt  
force to the child’s pelvic bones in a crash. It should  
never be worn over the abdomen, which could cause  
severe or even fatal internal injuries in a crash.  
Sit all the way back on the seat. Do the knees bend  
at the seat edge? If yes, continue. If no, return to  
the booster seat.  
Buckle the lap-shoulder belt. Does the shoulder belt  
rest on the shoulder? If yes, continue. If no, then  
return to the booster seat.  
According to accident statistics, children and infants are  
safer when properly restrained in rear seating positions  
than in the front seating positions.  
Does the lap belt fit low and snug on the hips,  
touching the thighs? If yes, continue. If no, return to  
the booster seat.  
In a crash, children who are not buckled up can strike  
other people who are buckled up, or can be thrown  
out of the vehicle. Older children need to use safety  
belts properly.  
Can proper safety belt fit be maintained for the  
length of the trip? If yes, continue. If no, return  
to the booster seat.  
1-26  
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{ CAUTION:  
Never do this.  
Never allow two children to wear the same safety  
belt. The safety belt can not properly spread the  
impact forces. In a crash, the two children can be  
crushed together and seriously injured. A safety  
belt must be used by only one person at a time.  
1-27  
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{ CAUTION:  
Never do this.  
Never allow a child to wear the safety belt with the  
shoulder belt behind their back. A child can be  
seriously injured by not wearing the lap-shoulder  
belt properly. In a crash, the child would not be  
restrained by the shoulder belt. The child could  
move too far forward increasing the chance of  
head and neck injury. The child might also slide  
under the lap belt. The belt force would then be  
applied right on the abdomen. That could cause  
serious or fatal injuries. The shoulder belt should  
go over the shoulder and across the chest.  
1-28  
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Infants and Young Children  
{ CAUTION:  
Everyone in a vehicle needs protection! This includes  
infants and all other children. Neither the distance  
traveled nor the age and size of the traveler changes  
the need, for everyone, to use safety restraints. In fact,  
the law in every state in the United States and in  
every Canadian province says children up to some  
age must be restrained while in a vehicle.  
Children can be seriously injured or strangled if a  
shoulder belt is wrapped around their neck and  
the safety belt continues to tighten. Never leave  
children unattended in a vehicle and never allow  
children to play with the safety belts.  
Airbags plus lap-shoulder belts offer protection for adults  
and older children, but not for young children and infants.  
Neither the vehicle’s safety belt system nor its airbag  
system is designed for them. Every time infants and  
young children ride in vehicles, they should have the  
protection provided by appropriate child restraints.  
Children who are not restrained properly can strike other  
people, or can be thrown out of the vehicle.  
1-29  
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{ CAUTION:  
Never do this.  
Never hold an infant or a child while riding in a  
vehicle. Due to crash forces, an infant or a child  
will become so heavy it is not possible to hold it  
during a crash. For example, in a crash at only  
40 km/h (25 mph), a 5.5 kg (12 lb) infant will  
suddenly become a 110 kg (240 lb) force on a  
person’s arms. An infant should be secured in an  
appropriate restraint.  
1-30  
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{ CAUTION:  
Never do this.  
Children who are up against, or very close to,  
any airbag when it inflates can be seriously injured  
or killed. Never put a rear-facing child restraint in  
the right front seat. Secure a rear-facing child  
restraint in a rear seat. It is also better to secure a  
forward-facing child restraint in a rear seat. If you  
must secure a forward-facing child restraint in the  
right front seat, always move the front passenger  
seat as far back as it will go.  
1-31  
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Q: What are the different types of add-on child  
restraints?  
{ CAUTION:  
A: Add-on child restraints, which are purchased by the  
vehicle’s owner, are available in four basic types.  
Selection of a particular restraint should take into  
consideration not only the child’s weight, height, and  
age but also whether or not the restraint will be  
compatible with the motor vehicle in which it will  
be used.  
To reduce the risk of neck and head injury during  
a crash, infants need complete support. This is  
because an infant’s neck is not fully developed  
and its head weighs so much compared with the  
rest of its body. In a crash, an infant in a  
rear-facing child restraint settles into the restraint,  
so the crash forces can be distributed across the  
strongest part of an infant’s body, the back and  
shoulders. Infants should always be secured in  
rear-facing child restraints.  
For most basic types of child restraints, there are  
many different models available. When purchasing a  
child restraint, be sure it is designed to be used in a  
motor vehicle. If it is, the restraint will have a label  
saying that it meets federal motor vehicle safety  
standards.  
The restraint manufacturer’s instructions that come  
with the restraint state the weight and height  
limitations for a particular child restraint. In addition,  
there are many kinds of restraints available for  
children with special needs.  
1-32  
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Child Restraint Systems  
{ CAUTION:  
A rear-facing infant seat (A)  
provides restraint with the  
seating surface against the  
back of the infant.  
A young child’s hip bones are still so small that  
the vehicle’s regular safety belt may not remain  
low on the hip bones, as it should. Instead, it may  
settle up around the child’s abdomen. In a crash,  
the belt would apply force on a body area that is  
unprotected by any bony structure. This alone  
could cause serious or fatal injuries. To reduce the  
risk of serious or fatal injuries during a crash,  
young children should always be secured in  
appropriate child restraints.  
The harness system holds the infant in place and, in a  
crash, acts to keep the infant positioned in the restraint.  
A forward-facing child  
seat (B) provides restraint  
for the child’s body with  
the harness.  
1-33  
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Securing an Add-On Child Restraint in  
the Vehicle  
{ CAUTION:  
A child can be seriously injured or killed in a crash  
if the child restraint is not properly secured in the  
vehicle. Secure the child restraint properly in the  
vehicle using the vehicle’s safety belt or LATCH  
system, following the instructions that came with  
that child restraint and the instructions in this  
manual.  
A booster seat (C-D) is a child restraint designed to  
improve the fit of the vehicle’s safety belt system.  
A booster seat can also help a child to see out the  
window.  
To help reduce the chance of injury, the child restraint  
must be secured in the vehicle. Child restraint systems  
must be secured in vehicle seats by lap belts or the lap  
belt portion of a lap-shoulder belt, or by the LATCH  
more information. A child can be endangered in a crash if  
the child restraint is not properly secured in the vehicle.  
1-34  
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When securing an add-on child restraint, refer to the  
instructions that come with the restraint which may be on  
the restraint itself or in a booklet, or both, and to this  
manual. The child restraint instructions are important,  
so if they are not available, obtain a replacement  
copy from the manufacturer.  
Lower Anchors and Tethers for  
Children (LATCH) (Coupe and  
Convertible Models Only)  
Some child restraints have a LATCH system. As part of  
the LATCH system, your child restraint may have lower  
attachments and/or a top tether. The LATCH system  
can help hold the child restraint in place during driving or  
in a crash. Some vehicles have lower and/or top tether  
anchors designed to secure a child restraint with lower  
attachments and/or a top tether.  
Keep in mind that an unsecured child restraint can  
move around in a collision or sudden stop and injure  
people in the vehicle. Be sure to properly secure  
any child restraint in the vehicle — even when no child  
is in it.  
Securing the Child Within the Child  
Restraint  
Some child restraints with a top tether are designed to  
be used whether the top tether is anchored or not.  
Other child restraints require that the top tether  
be anchored. A national or local law may require that  
the top tether be anchored.  
{ CAUTION:  
A child can be seriously injured or killed in a crash  
if the child is not properly secured in the child  
restraint. Secure the child properly following the  
instructions that came with that child restraint.  
1-35  
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In Canada, the law requires that forward-facing child  
restraints have a top tether, and that the tether be  
attached.  
Lower Anchors and Tethers for  
Children (LATCH) (Z06 and ZR1  
Models Only)  
Your vehicle does not have lower anchors or top tether  
anchors to secure a child restraint with the LATCH  
system. If a national or local law requires that your  
top tether be anchored, do not use a child restraint  
in this vehicle because a top tether cannot be properly  
anchored. You must use the safety belts to secure  
your child restraint in this vehicle, unless a national  
or local law requires that the top tether be anchored.  
Refer to your child restraint instructions and instructions  
in this manual for securing a child restraint using the  
vehicle’s safety belts. See Securing a Child Restraint in  
Some child restraints have a LATCH system. As part of  
the LATCH system, your child restraint may have lower  
attachments and/or a top tether. The LATCH system  
can help hold the child restraint in place during driving or  
in a crash. Some vehicles have lower and/or top tether  
anchors designed to secure a child restraint with lower  
attachments and/or a top tether.  
Your vehicle does not have lower anchors to  
accommodate lower attachments. Your vehicle does  
have a top tether anchor. If your child restraint has a  
top tether, make sure your child restraint is properly  
installed using the top tether anchor and the vehicle’s  
safety belt. A child restraint must never be installed  
using only the top tether and anchor. Refer to your child  
restraint instructions and see Securing a Child Restraint  
instructions on securing your child restraint using the  
vehicle’s safety belts.  
1-36  
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In order to use the top tether anchors in your vehicle,  
you need a child restraint equipped with a top tether.  
The child restraint manufacturer will provide you with  
instructions on how to use the child restraint and its top  
tether. The following explains how to attach a child  
restraint with the top tether in your vehicle.  
Your child restraint may have a single tether (A) or a  
dual tether (C). Either will have a single attachment (B)  
to secure the top tether to the anchor.  
Some top tether-equipped child restraints are designed  
for use with or without the top tether being attached.  
Others require the top tether always to be attached.  
In Canada, the law requires that forward-facing  
child restraints have a top tether, and that the tether be  
attached. Be sure to read and follow the instructions  
for your child restraint.  
If the child restraint does not have a top tether, one can  
be obtained, in kit form, for many child restraints. Ask  
the child restraint manufacturer whether or not a kit  
is available.  
A top tether (A, C) anchors the top of the child restraint to  
the vehicle. A top tether anchor is built into the vehicle.  
The top tether attachment (B) on the child restraint  
connects to the top tether anchor in the vehicle in order to  
reduce the forward movement and rotation of the child  
restraint during driving or in a crash.  
1-37  
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Top Tether Anchor Locations  
i (Top Tether Anchor):  
Seating positions with  
top tether anchors.  
To assist you in locating  
the top tether anchors,  
the top tether anchor  
symbol is located on the  
trim cover.  
The top tether anchor is located behind the  
passenger seat.  
1-38  
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2.3. Route, attach and tighten the top tether  
according to your child restraint instructions  
and the following instructions:  
Securing a Child Restraint with a Top  
Tether  
If the position you are using  
has a fixed headrest or  
head restraint and you are  
using a single tether, route  
the tether over the headrest  
or head restraint.  
{ CAUTION:  
If a LATCH-type child restraint is not attached to  
anchors, the child restraint will not be able to protect  
the child correctly. In a crash, the child could be  
seriously injured or killed. Install a LATCH-type  
child restraint properly using the anchors, or use the  
vehicle’s safety belts to secure the restraint,  
following the instructions that came with the child  
restraint and the instructions in this manual.  
If the position you are using  
has a fixed headrest or  
head restraint and you are  
using a dual tether, route  
the tether around the  
1. Secure the child restraint using the vehicle’s safety  
Front Seat Position on page 1-40.  
headrest or head restraint.  
2. If the child restraint manufacturer recommends that  
the top tether be attached, attach and tighten the  
top tether to the top tether anchor, if equipped.  
Refer to the child restraint instructions and  
the following steps:  
2.1. Find the top tether anchor.  
2.2. Press the ribbed area of the trim cover to  
open the cover and expose the anchor.  
3. Push and pull the child restraint in different  
directions to be sure it is secure.  
1-39  
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Securing a Child Restraint in the  
Right Front Seat Position  
CAUTION: (Continued)  
This vehicle has airbags. In addition, the vehicle has a  
passenger sensing system which is designed to turn off  
the right front passenger frontal airbag and seat-mounted  
side impact airbag (if equipped) under certain conditions.  
See Passenger Sensing System on page 1-51 and  
Passenger Airbag Status Indicator on page 3-37 for more  
information, including important safety information.  
Even if the passenger sensing system has turned  
off the right front passenger frontal airbag, no  
system is fail-safe. No one can guarantee that an  
airbag will not deploy under some unusual  
circumstance, even though it is turned off.  
Secure rear-facing child restraints in a rear seat,  
even if the airbag is off. If you secure a  
forward-facing child restraint in the right front seat,  
always move the front passenger seat as far back  
as it will go. It is better to secure the child restraint  
in a rear seat.  
A label on the sun visor says, “Never put a rear-facing  
child seat in the front.” This is because the risk to the  
rear-facing child is so great, if the airbag deploys.  
{ CAUTION:  
See Passenger Sensing System on page 1-51 for  
additional information.  
A child in a rear-facing child restraint can be  
seriously injured or killed if the right front passenger  
airbag inflates. This is because the back of the  
rear-facing child restraint would be very close to the  
inflating airbag. A child in a forward-facing child  
restraint can be seriously injured or killed if the right  
front passenger airbag inflates and the passenger  
seat is in a forward position.  
Rear-facing child restraints should not be installed in the  
vehicle, even if the airbag(s) are off.  
CAUTION: (Continued)  
1-40  
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If the child restraint has the LATCH system, see Lower  
Only) on page 1-36 for how and where to install the child  
restraint using LATCH. If a child restraint is secured  
using a safety belt and it uses a top tether, see Lower  
Only) on page 1-36 for top tether anchor locations.  
You will be using the lap-shoulder belt to secure the child  
restraint in this position. Follow the instructions that came  
with the child restraint.  
1. Move the seat as far back as it will go before  
securing the forward-facing child restraint.  
When the passenger sensing system has turned  
off the right front passenger frontal airbag and  
seat-mounted side impact airbag (if equipped), the  
off indicator on the passenger airbag status indicator  
should light and stay lit when you start the vehicle.  
page 3-37.  
Do not secure a child seat in a position without a top  
tether anchor if a national or local law requires that the  
top tether be anchored, or if the instructions that come  
with the child restraint say that the top strap must be  
anchored.  
2. Put the child restraint on the seat.  
3. Pick up the latch plate, and run the lap and shoulder  
portions of the vehicle’s safety belt through or  
around the restraint. The child restraint instructions  
will show you how.  
In Canada, the law requires that forward-facing child  
restraints have a top tether, and that the tether be  
attached.  
1-41  
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4. Push the latch plate into the buckle until it clicks.  
5. Pull the rest of the shoulder belt all the way out of  
the retractor to set the lock.  
Position the release button on the buckle so that  
the safety belt could be quickly unbuckled if  
necessary.  
1-42  
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7. If the child restraint has a top tether, follow the  
child restraint manufacturer’s instructions regarding  
the use of the top tether. See Lower Anchors and  
(Z06 and ZR1 Models Only) on page 1-36 for  
more information.  
8. Push and pull the child restraint in different  
directions to be sure it is secure.  
If the airbag or airbags are off, the off indicator in the  
passenger airbag status indicator will come on and stay  
on when the vehicle is started.  
If a child restraint has been installed and the on indicator  
is lit, see “If the On Indicator is Lit for a Child Restraint ”  
under Passenger Sensing System on page 1-51 for more  
information.  
6. To tighten the belt, push down on the child restraint,  
pull the shoulder portion of the belt to tighten the lap  
portion of the belt and feed the shoulder belt back  
into the retractor. When installing a forward-facing  
child restraint, you may find it helpful to use your  
knee to push down on the child restraint as you  
tighten the belt.  
To remove the child restraint, unbuckle the vehicle  
safety belt and let it return to the stowed position.  
1-43  
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Here are the most important things to know about the  
airbag system:  
Airbag System  
The vehicle has the following airbags:  
A frontal airbag for the driver.  
{ CAUTION:  
A frontal airbag for the right front passenger.  
The vehicle may have the following airbags:  
A seat-mounted side impact airbag for the driver.  
You can be severely injured or killed in a crash if  
you are not wearing your safety belt — even if you  
have airbags. Airbags are designed to work with  
safety belts, but do not replace them. Also, airbags  
are not designed to deploy in every crash. In some  
crashes safety belts are your only restraint. See  
A seat-mounted side impact airbag for the right front  
passenger.  
All of the airbags in the vehicle will have the word  
AIRBAG embossed in the trim or on an attached label  
near the deployment opening.  
Wearing your safety belt during a crash helps  
reduce your chance of hitting things inside the  
vehicle or being ejected from it. Airbags are  
“supplemental restraints” to the safety belts.  
Everyone in your vehicle should wear a safety belt  
properly — whether or not there is an airbag for  
that person.  
For frontal airbags, the word AIRBAG will appear on the  
middle part of the steering wheel for the driver and  
on the instrument panel for the right front passenger.  
With seat-mounted side impact airbags, the word  
AIRBAG will appear on the side of the seatback closest  
to the door.  
Airbags are designed to supplement the protection  
provided by safety belts. Even though today’s airbags are  
also designed to help reduce the risk of injury from the  
force of an inflating bag, all airbags must inflate very  
quickly to do their job.  
1-44  
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{ CAUTION:  
{ CAUTION:  
Airbags inflate with great force, faster than the  
blink of an eye. Anyone who is up against, or very  
close to, any airbag when it inflates can be  
seriously injured or killed. Do not sit unnecessarily  
close to the airbag, as you would be if you were  
sitting on the edge of your seat or leaning forward.  
Safety belts help keep you in position before and  
during a crash. Always wear your safety belt, even  
with airbags. The driver should sit as far back as  
possible while still maintaining control of the  
vehicle.  
Children who are up against, or very close to, any  
airbag when it inflates can be seriously injured or  
killed. Airbags plus lap-shoulder belts offer  
protection for adults and older children, but not for  
young children and infants. Neither the vehicle’s  
safety belt system nor its airbag system is designed  
for them. Young children and infants need the  
protection that a child restraint system can provide.  
Always secure children properly in your vehicle.  
To read how, see Older Children on page 1-25 or  
Occupants should not lean on or sleep against the  
door or side windows in seating positions with  
seat-mounted airbags.  
There is an airbag  
readiness light on the  
instrument panel, which  
shows the airbag symbol.  
The system checks the airbag electrical system for  
malfunctions. The light tells you if there is an electrical  
problem. See Airbag Readiness Light on page 3-36  
for more information.  
1-45  
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Where Are the Airbags?  
The right front passenger frontal airbag is in the  
instrument panel on the passenger’s side.  
The driver frontal airbag is in the middle of the steering  
wheel.  
1-46  
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{ CAUTION:  
If something is between an occupant and an airbag,  
the airbag might not inflate properly or it might force  
the object into that person causing severe injury or  
even death. The path of an inflating airbag must  
be kept clear. Do not put anything between an  
occupant and an airbag, and do not attach or put  
anything on the steering wheel hub or on or near  
any other airbag covering.  
Do not use seat accessories that block the inflation  
path of a seat-mounted side impact airbag.  
Driver Side shown, Passenger Side similar  
If the vehicle has seat-mounted side impact airbags for  
the driver and right front passenger, they are in the  
side of the seatbacks closest to the door.  
1-47  
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If the vehicle hits a narrow object (like a pole), the  
airbags could inflate at a different crash speed  
than if the vehicle hits a wide object (like a wall).  
When Should an Airbag Inflate?  
Frontal airbags are designed to inflate in moderate to  
severe frontal or near-frontal crashes to help reduce the  
potential for severe injuries mainly to the driver’s or right  
front passenger’s head and chest. However, they are only  
designed to inflate if the impact exceeds a predetermined  
deployment threshold. Deployment thresholds are used  
to predict how severe a crash is likely to be in time for the  
airbags to inflate and help restrain the occupants.  
If the vehicle goes into an object at an angle, the  
airbags could inflate at a different crash speed  
than if the vehicle goes straight into the object.  
Thresholds can also vary with specific vehicle design.  
Frontal airbags are not intended to inflate during vehicle  
rollovers, rear impacts, or in many side impacts.  
Whether the frontal airbags will or should deploy is not  
based on how fast your vehicle is traveling. It depends  
largely on what you hit, the direction of the impact, and  
how quickly your vehicle slows down.  
In addition, your vehicle has dual-stage frontal airbags.  
Dual-stage airbags adjust the restraint according to crash  
severity. Your vehicle has electronic frontal sensors,  
which help the sensing system distinguish between a  
moderate frontal impact and a more severe frontal  
impact. For moderate frontal impacts, dual-stage airbags  
inflate at a level less than full deployment. For more  
severe frontal impacts, full deployment occurs.  
Frontal airbags may inflate at different crash speeds.  
For example:  
If the vehicle hits a stationary object, the airbags  
could inflate at a different crash speed than if the  
vehicle hits a moving object.  
Your vehicle may have one or two seat position sensors,  
depending on what model you have. The seat position  
sensor(s) enable the sensing system to monitor the  
position of the driver seat (all models except Z06 and  
ZR1) and the right front passenger seat (all models).  
If the vehicle hits an object that deforms, the  
airbags could inflate at a different crash speed than  
if the vehicle hits an object that does not deform.  
1-48  
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Seat position sensor(s) provide information that is used  
to determine if the airbags should deploy at a reduced  
level or at full deployment.  
What Makes an Airbag Inflate?  
In a deployment event, the sensing system sends an  
electrical signal triggering a release of gas from the  
inflator. Gas from the inflator fills the airbag causing the  
bag to break out of the cover and deploy. The inflator,  
the airbag, and related hardware are all part of the airbag  
module.  
Your vehicle may or may not have seat-mounted side  
impact airbags. See Airbag System on page 1-44.  
Seat-mounted side impact airbags are intended to inflate  
in moderate to severe side crashes. Seat-mounted  
side impact airbags will inflate if the crash severity is  
above the system’s designed threshold level. The  
threshold level can vary with specific vehicle design.  
Frontal airbag modules are located inside the steering  
wheel and instrument panel. For vehicles with  
seat-mounted side impact airbags, there are airbag  
modules in the side of the front seatbacks closest to  
the door.  
Seat-mounted side impact airbags are not intended to  
inflate in frontal impacts, near-frontal impacts, rollovers,  
or rear impacts. A seat-mounted side impact airbag  
is intended to deploy on the side of the vehicle that  
is struck.  
How Does an Airbag Restrain?  
In any particular crash, no one can say whether an  
airbag should have inflated simply because of the  
damage to a vehicle or because of what the repair costs  
were. For seat-mounted side impact airbags, deployment  
is determined by the location and severity of the side  
impact.  
In moderate to severe frontal or near frontal collisions,  
even belted occupants can contact the steering wheel  
or the instrument panel. In moderate to severe side  
collisions, even belted occupants can contact the inside  
of the vehicle.  
Airbags supplement the protection provided by safety  
belts. Frontal airbags distribute the force of the  
impact more evenly over the occupant’s upper body,  
stopping the occupant more gradually. Seat-mounted  
side impact airbags distribute the force of the impact  
more evenly over the occupant’s upper body.  
1-49  
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But airbags would not help in many types of collisions,  
primarily because the occupant’s motion is not  
toward those airbags. See When Should an Airbag  
Inflate? on page 1-48 for more information.  
{ CAUTION:  
When an airbag inflates, there may be dust in the  
air. This dust could cause breathing problems for  
people with a history of asthma or other breathing  
trouble. To avoid this, everyone in the vehicle  
should get out as soon as it is safe to do so. If you  
have breathing problems but cannot get out of the  
vehicle after an airbag inflates, then get fresh air  
by opening a window or a door. If you experience  
breathing problems following an airbag deployment,  
you should seek medical attention.  
Airbags should never be regarded as anything more  
than a supplement to safety belts.  
What Will You See After an Airbag  
Inflates?  
After the frontal and seat-mounted side impact  
airbags inflate, they quickly deflate, so quickly that  
some people may not even realize the airbags inflated.  
Some components of the airbag module may be hot for  
several minutes. For location of the airbag modules, see  
The vehicle has a feature that may automatically unlock  
the doors, turn the interior lamps on, and turn on the  
hazard warning flashers when the airbags inflate. You  
can lock the doors, turn the interior lamps off, and turn  
the hazard warning flashers off by using the controls for  
those features.  
The parts of the airbag that come into contact with you  
may be warm, but not too hot to touch. There may be  
some smoke and dust coming from the vents in the  
deflated airbags. Airbag inflation does not prevent the  
driver from seeing out of the windshield or being able to  
steer the vehicle, nor does it prevent people from leaving  
the vehicle.  
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In many crashes severe enough to inflate the airbag,  
windshields are broken by vehicle deformation. Additional  
windshield breakage may also occur from the right front  
passenger airbag.  
Passenger Sensing System  
The vehicle has a passenger sensing system for the  
right front passenger position. The passenger airbag  
status indicator will be visible in the rearview mirror  
when the vehicle is started.  
Airbags are designed to inflate only once. After an  
airbag inflates, you will need some new parts for the  
airbag system. If you do not get them, the airbag  
system will not be there to help protect you in another  
crash. A new system will include airbag modules and  
possibly other parts. The service manual for your  
vehicle covers the need to replace other parts.  
The vehicle has a crash sensing and diagnostic  
module which records information after a crash.  
United States  
page 7-17 and Event Data Recorders on page 7-18.  
Let only qualified technicians work on the airbag  
system. Improper service can mean that the airbag  
system will not work properly. See your dealer/  
retailer for service.  
Canada  
The words ON and OFF, or the symbol for on and off, will  
be visible during the system check. When the system  
check is complete, either the word ON or OFF, or the  
symbol for on or off, will be visible. See Passenger Airbag  
Status Indicator on page 3-37.  
1-51  
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The passenger sensing system will turn off the right  
front passenger frontal airbag and seat-mounted  
side impact airbag (if equipped) under certain conditions.  
The driver airbags are not affected by the passenger  
sensing system.  
{ CAUTION:  
A child in a rear-facing child restraint can be  
seriously injured or killed if the right front passenger  
airbag inflates. This is because the back of the  
rear-facing child restraint would be very close to the  
inflating airbag. A child in a forward-facing child  
restraint can be seriously injured or killed if the right  
front passenger airbag inflates and the passenger  
seat is in a forward position.  
The passenger sensing system works with sensors that  
are part of the right front passenger seat. The sensors  
are designed to detect the presence of a properly-seated  
occupant and determine if the right front passenger  
frontal airbag and seat-mounted side impact airbag  
(if equipped) should be enabled (may inflate) or not.  
According to accident statistics, children are safer when  
properly secured in a rear seat in the correct child  
restraint for their weight and size. We recommend that  
rear-facing child restraints not be transported in the  
vehicle, even if the airbags are off.  
Even if the passenger sensing system has turned  
off the right front passenger frontal airbag and  
seat-mounted side impact airbag (if equipped), no  
system is fail-safe. No one can guarantee that an  
airbag will not deploy under some unusual  
A label on the sun visor says, “Never put a rear-facing  
child seat in the front.” This is because the risk to  
the rear-facing child is so great, if the airbag deploys.  
circumstance, even though the airbag(s) are off.  
Secure rear-facing child restraints in a rear seat,  
even if the airbag(s) are off. If you secure a  
forward-facing child restraint in the right front seat,  
always move the front passenger seat as far back  
as it will go. It is better to secure the child restraint in  
a rear seat.  
1-52  
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The passenger sensing system is designed to turn  
off the right front passenger frontal airbag and  
seat-mounted side impact airbag (if equipped) if:  
When the passenger sensing system has allowed the  
airbag(s) to be enabled, the on indicator will light and stay  
lit to remind you that the airbag or airbags are active.  
The right front passenger seat is unoccupied.  
The system determines that an infant is present in  
a rear-facing infant seat.  
For some children who have outgrown child restraints  
and for very small adults, the passenger sensing  
system may or may not turn off the right front passenger  
frontal airbag and seat-mounted side impact airbag  
(if equipped), depending upon the person’s seating  
posture and body build. Everyone in the vehicle who has  
outgrown child restraints should wear a safety belt  
properly — whether or not there is an airbag for that  
person.  
The system determines that a small child is present  
in a child restraint.  
The system determines that a small child is present  
in a booster seat.  
A right front passenger takes his/her weight off of  
the seat for a period of time.  
The right front passenger seat is occupied by a  
smaller person, such as a child who has outgrown  
child restraints.  
{ CAUTION:  
If the airbag readiness light ever comes on and  
stays on, it means that something may be wrong  
with the airbag system. To help avoid injury to  
yourself or others, have the vehicle serviced right  
away. See Airbag Readiness Light on page 3-36  
for more information, including important safety  
information.  
Or, if there is a critical problem with the airbag  
system or the passenger sensing system.  
When the passenger sensing system has turned off the  
right front passenger frontal airbag and seat-mounted  
side impact airbag (if equipped), the off indicator will light  
and stay lit to remind you that the airbag(s) are off.  
The passenger sensing system is designed to turn  
on (may inflate) the right front passenger frontal airbag  
and seat-mounted side impact airbag (if equipped)  
anytime the system senses that a person of adult size is  
sitting properly in the right front passenger seat.  
1-53  
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If the On Indicator is Lit for a Child  
Restraint  
If the Off Indicator is Lit for an  
Adult-Size Occupant  
If a child restraint has been installed and the on  
indicator is lit:  
1. Turn the vehicle off.  
2. Remove the child restraint from the vehicle.  
3. Remove any additional items from the seat such as  
blankets, cushions, seat covers, seat heaters, or  
seat massagers.  
4. Reinstall the child restraint following the directions  
provided by the child restraint manufacturer and  
Seat Position on page 1-40.  
5. If, after reinstalling the child restraint and restarting  
the vehicle, the on indicator is still lit, turn the vehicle  
off. Then slightly recline the vehicle seatback and  
adjust the seat cushion, if adjustable, to make sure  
that the vehicle seatback is not pushing the child  
restraint into the seat cushion.  
If a person of adult-size is sitting in the right front  
passenger seat, but the off indicator is lit, it could be  
because that person is not sitting properly in the seat.  
6. Restart the vehicle.  
If the on indicator is still lit, do not install a child  
restraint in this vehicle and check with your  
dealer/retailer.  
1-54  
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If this happens, use the following steps to allow the  
system to detect that person and enable the right front  
passenger frontal airbag and seat-mounted side impact  
airbag (if equipped):  
If the shoulder portion of the belt is pulled out all the  
way, the child restraint locking feature will be engaged.  
This may unintentionally cause the passenger sensing  
system to turn the airbag(s) off for some adult size  
occupants. If this happens, let the belt go back all the  
way and start again.  
1. Turn the vehicle off.  
2. Remove any additional material from the seat, such  
as blankets, cushions, seat covers, seat heaters, or  
seat massagers.  
A thick layer of additional material, such as a blanket or  
cushion, or aftermarket equipment such as seat covers,  
seat heaters, and seat massagers can affect how well the  
passenger sensing system operates. We recommend  
that you not use seat covers or other aftermarket  
equipment except when approved by GM for your specific  
Vehicle on page 1-56 for more information about  
3. Place the seatback in the fully upright position.  
4. Have the person sit upright in the seat, centered on  
the seat cushion, with legs comfortably extended.  
5. Restart the vehicle and have the person remain in  
this position for two to three minutes after the on  
indicator is lit.  
modifications that can affect how the system operates.  
Additional Factors Affecting System  
Operation  
{ CAUTION:  
Safety belts help keep the passenger in position on the  
seat during vehicle maneuvers and braking, which helps  
the passenger sensing system maintain the passenger  
airbag status. See “Safety Belts” and “Child Restraints” in  
the Index for additional information about the importance  
of proper restraint use.  
Stowing of articles under the passenger seat or  
between the passenger seat cushion and seatback  
may interfere with the proper operation of the  
passenger sensing system.  
1-55  
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Servicing Your Airbag-Equipped  
Vehicle  
Adding Equipment to Your  
Airbag-Equipped Vehicle  
Airbags affect how the vehicle should be serviced.  
There are parts of the airbag system in several places  
around the vehicle. Your dealer/retailer and the  
service manual have information about servicing the  
vehicle and the airbag system. To purchase a service  
on page 7-16.  
Q: Is there anything I might add to or change  
about the vehicle that could keep the airbags  
from working properly?  
A: Yes. If you add things that change your vehicle’s  
frame, bumper system, height, front end or side  
sheet metal, they may keep the airbag system from  
working properly. Changing or moving any parts of  
the front seats, safety belts, the airbag sensing and  
diagnostic module, steering wheel, instrument panel,  
the inside review mirror, front sensors, or airbag  
wiring can affect the operation of the airbag system.  
{ CAUTION:  
For up to 10 seconds after the ignition is turned off  
and the battery is disconnected, an airbag can still  
inflate during improper service. You can be injured  
if you are close to an airbag when it inflates. Avoid  
yellow connectors. They are probably part of the  
airbag system. Be sure to follow proper service  
procedures, and make sure the person performing  
work for you is qualified to do so.  
In addition, the vehicle has a passenger sensing  
system for the right front passenger position, which  
includes sensors that are part of the passenger seat.  
1-56  
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The passenger sensing system may not operate  
properly if the original seat trim is replaced with  
non-GM covers, upholstery or trim, or with GM  
covers, upholstery or trim designed for a different  
vehicle. Any object, such as an aftermarket seat  
heater or a comfort enhancing pad or device,  
installed under or on top of the seat fabric, could also  
interfere with the operation of the passenger sensing  
system. This could either prevent proper deployment  
of the passenger airbag(s) or prevent the passenger  
sensing system from properly turning off the  
passenger airbag(s). See Passenger Sensing  
System on page 1-51.  
Q: Because I have a disability, I have to get my  
vehicle modified. How can I find out whether  
this will affect my airbag system?  
A: If you have questions, call Customer Assistance.  
The phone numbers and addresses for Customer  
Assistance are in Step Two of the Customer  
Satisfaction Procedure in this manual. See  
Your dealer/retailer and the service manual have  
information about the location of the airbag sensors,  
sensing and diagnostic module and airbag wiring.  
If you have any questions about this, you should  
contact Customer Assistance before you modify  
your vehicle. The phone numbers and addresses for  
Customer Assistance are in Step Two of the  
Customer Satisfaction Procedure in this manual.  
1-57  
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Airbags  
Restraint System Check  
The airbag system does not need regularly scheduled  
maintenance or replacement. Make sure the airbag  
readiness light is working. See Airbag Readiness Light  
on page 3-36 for more information.  
Checking the Restraint Systems  
Safety Belts  
Notice: If an airbag covering is damaged, opened, or  
broken, the airbag may not work properly. Do not  
open or break the airbag coverings. If there are any  
opened or broken airbag covers, have the airbag  
covering and/or airbag module replaced. For the  
location of the airbag modules, see What Makes an  
Airbag Inflate? on page 1-49. See your dealer/retailer  
for service.  
Now and then, check that the safety belt reminder light,  
safety belts, buckles, latch plates, retractors, and  
anchorages are all working properly.  
Look for any other loose or damaged safety belt system  
parts that might keep a safety belt system from doing  
its job. See your dealer/retailer to have it repaired. Torn  
or frayed safety belts may not protect you in a crash.  
They can rip apart under impact forces. If a belt is torn  
or frayed, get a new one right away.  
Make sure the safety belt reminder light is working.  
See Safety Belt Reminders on page 3-35 for more  
information.  
Keep safety belts clean and dry. See Care of Safety  
Belts on page 5-95.  
1-58  
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If the vehicle has been in a crash, do you need new  
safety belts or LATCH system (if equipped) parts?  
Replacing Restraint System Parts  
After a Crash  
After a very minor crash, nothing may be necessary.  
But the safety belt assemblies that were used during any  
crash may have been stressed or damaged. See your  
dealer/retailer to have the safety belt assemblies  
inspected or replaced.  
{ CAUTION:  
If the vehicle has the LATCH system and it was being  
used during a crash, you may need new LATCH  
system parts.  
A crash can damage the restraint systems in your  
vehicle. A damaged restraint system may not  
properly protect the person using it, resulting in  
serious injury or even death in a crash. To help  
make sure your restraint systems are working  
properly after a crash, have them inspected and  
any necessary replacements made as soon as  
possible.  
New parts and repairs may be necessary even if the  
safety belt or LATCH system (if equipped), was not being  
used at the time of the crash.  
If an airbag inflates, you will need to replace airbag  
system parts. See the part on the airbag system earlier  
in this section.  
Have the safety belt pretensioners checked if the  
vehicle has been in a crash, if the airbag readiness light  
stays on after the vehicle is started, or while you are  
driving. See Airbag Readiness Light on page 3-36.  
1-59  
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NOTES  
1-60  
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Section 2  
Features and Controls  
2-1  
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Keys  
{ CAUTION:  
Leaving children in a vehicle with the keyless  
access transmitter is dangerous for many reasons,  
children or others could be badly injured or even  
killed. They could operate the power windows or  
other controls or even make the vehicle move.  
The windows will function with the keyless access  
transmitter in the vehicle and they could be  
seriously injured or killed if caught in the path of a  
closing window. Do not leave the keyless access  
transmitter in a vehicle with children.  
2-3  
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The key, located inside the  
keyless access transmitter,  
can be used to lock and  
unlock the glove box and to  
open the hatch/trunk lid if  
power to the vehicle is lost.  
See Hatch on page 2-14 for  
more information.  
This vehicle has a keyless access system with  
pushbutton start. See Ignition Positions on page 2-23  
for information on starting the vehicle.  
Notice: If you ever lose your transmitter(s) and/or  
key, it could be difficult to get into your vehicle.  
You may even have to damage your vehicle to get  
in. Be sure you have a spare transmitter and/or key.  
If you are locked out of the vehicle, contact Roadside  
Assistance. See Roadside Assistance Program on  
page 7-7.  
Keyless Access System  
The Keyless Access System operates on a radio  
frequency subject to Federal Communications  
Commission (FCC) Rules and with Industry Canada.  
Press the button (A) near  
the bottom of the keyless  
access transmitter to  
remove the key. Never  
pull the key out without  
pressing the button.  
This device complies with Part 15 of the FCC Rules.  
Operation is subject to the following two conditions:  
1. This device may not cause harmful interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation.  
This device complies with RSS-210 of Industry Canada.  
Operation is subject to the following two conditions:  
1. This device may not cause interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation of the device.  
2-4  
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Changes or modifications to this system by other than  
an authorized service facility could void authorization to  
use this equipment.  
Keyless Access System Operation  
The Keyless Access System transmitter functions  
work up to 100 feet (30 m) away from the vehicle.  
If there is a decrease in the keyless access transmitter  
range, try this:  
Keyless Unlocking  
Check the distance. The transmitter may be too far  
from the vehicle. It may be necessary to stand  
closer during rainy or snowy weather.  
Press the door handle sensor to unlock and open the  
doors if the keyless access transmitter is within range.  
See Door Locks on page 2-10 and “Passive Door Unlock”  
under DIC Vehicle Personalization on page 3-73 for  
additional information.  
Check the location. Other vehicles or objects may  
be blocking the signal. Take a few steps to the  
left or right, hold the transmitter higher, and  
try again.  
Keyless Locking  
The doors lock after several seconds if all doors are  
closed and at least one keyless access transmitter  
has been removed from the interior of the vehicle.  
To customize whether the doors automatically lock  
when exiting the vehicle, see “Passive Door Locking”  
under DIC Vehicle Personalization on page 3-73 for  
additional information.  
Check the transmitter’s battery. See “Battery  
Replacement” under Keyless Access System  
Operation on page 2-5.  
Make sure that an electronic device such as a  
cellular phone or lap top computer is not causing  
interference.  
If the transmitter is still not working correctly, see  
your dealer/retailer or a qualified technician for  
service.  
2-5  
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Keyless Trunk Opening  
K (Unlock): Press once to unlock only the driver door.  
Press K twice within five seconds to unlock both  
Press the hatch/trunk release button located on the rear  
of the hatch/trunk lid above the license plate to open the  
trunk if the keyless access transmitter is within range.  
See Hatch on page 2-14 for additional information.  
doors. The interior lamps may come on.  
Pressing K also recalls the memory settings.  
page 1-4 for more information.  
There are other conditions that can affect the  
performance of the transmitter. See Keyless Access  
System on page 2-4 Keyless Access System.  
} (Hatch/Trunk): Press and hold for about  
one second to unlock the hatch/trunk. If the engine  
is running, the shift lever must be in P (Park) for  
an automatic transmission. For a manual transmission,  
the shift lever must be in NEUTRAL with the parking  
brake set.  
This vehicle comes with  
two transmitters.  
L (Panic): Press to sound the horn. Press any other  
button on the keyless access transmitter to stop it.  
The vehicle comes with two transmitters. Each  
transmitter will have a number on top of it, “1” or “2”.  
These numbers correspond to the driver of the vehicle.  
For example, the memory seat position for driver 1 will be  
recalled when using the transmitter labeled “1”, if enabled  
page 3-73 for more information.  
Q (Lock): Press once to lock the doors. When Q is  
pressed twice, the lights flash and the horn sounds to  
confirm locking.  
2-6  
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Programming Transmitters to the  
Vehicle  
Only keyless access transmitters programmed to this  
vehicle will work. If a transmitter is lost or stolen, a  
replacement can be purchased and programmed through  
your dealer/retailer. The vehicle can be reprogrammed  
so that lost or stolen transmitters no longer work. Each  
vehicle can have up to four transmitters programmed to it.  
Programming with a Recognized  
Transmitter  
A new transmitter can be programmed to the vehicle  
when there is one recognized transmitter. For vehicles  
sold in Canada, two recognized transmitters are  
required to program a new transmitter.  
7. Place the new transmitter in the glove box  
transmitter pocket with the buttons facing the  
passenger side.  
1. The vehicle must be off.  
2. Both the recognized and new transmitters must be  
with you.  
8. A beep sounds once programming in complete.  
The DIC displays READY FOR #3 or 4, or  
MAXIMUM NUMBER OF FOBS LEARNED.  
3. Insert the vehicle key into the key cylinder located  
above the license plate.  
9. To program additional transmitters, repeat Step 7.  
Press Acc. on the ignition switch if programming is  
complete.  
4. Open the hatch/trunk.  
5. Turn the key five times within five seconds.  
6. The DIC displays READY FOR FOB #2, 3 or 4.  
10. Press K on each newly programmed transmitter to  
complete the process.  
2-7  
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Programming without a Recognized  
Transmitter  
This procedure requires three ten minutes cycles to  
complete the programming process. United States  
owners are permitted to program a new transmitter to  
their vehicle when a recognized transmitter is not  
available. The Canadian immobilizer standard requires  
that Canadian owners see their dealer/retailer for  
programming new transmitters when two recognized  
transmitters are not available.  
1. The vehicle must be off.  
2. Place the new transmitter in the glove box  
transmitter pocket with the buttons facing the  
passenger side.  
3. Insert the vehicle key into the key cylinder located  
above the license plate.  
4. Open the hatch/trunk.  
5. Turn the key five times within five seconds.  
6. The DIC message displays OFF-ACCESSORY TO  
LEARN.  
2-8  
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7. Press Acc. on the ignition switch.  
14. Press Acc. on the ignition switch if programming is  
complete.  
8. The DIC reads WAIT 10 MINUTES and counts  
down to zero.  
15. Press K on each newly programmed transmitter to  
complete the process.  
9. The DIC displays OFF-ACCESSORY TO LEARN  
again.  
Starting the Vehicle with a Low  
Transmitter Battery  
10. Press Acc. on the ignition switch.  
11. Steps 8, 9 and 10 will be repeated two more times.  
If the transmitter battery is weak, the DIC may display  
NO FOBS DETECTED when trying to start the vehicle.  
To start the vehicle, place the transmitter in the glove  
box transmitter pocket with the buttons facing the  
passenger side. Then, with the vehicle in P (Park)  
for an automatic transmission, press the brake pedal  
12. A beep sounds and the DIC reads READY FOR  
FOB #1. All previously known transmitter  
programming has been erased.  
13. A beep sounds once programming in complete.  
The DIC displays READY FOR FOB #2.  
To program additional transmitters, take transmitter 1  
out of the transmitter pocket and place transmitter 2  
in the pocket. Up to four transmitters can be  
programmed. The DIC then displays MAXIMUM  
NUMBER OF FOBS LEARNED and exits the  
programming mode.  
and / . If the vehicle has a manual transmission, press  
the clutch and / . Replace the transmitter battery as  
soon as possible. Change the transmitter battery if  
the DIC displays FOB BATTERY LOW.  
Press Acc. on the ignition switch to complete the  
process.  
2-9  
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Battery Replacement  
Doors and Locks  
Notice: When replacing the battery, do not touch  
any of the circuitry on the transmitter. Static  
from your body could damage the transmitter.  
Door Locks  
{ CAUTION:  
Unlocked doors can be dangerous.  
Passengers — especially children — can easily  
open the doors and fall out of a moving vehicle.  
When a door is locked it will not open. You  
increase the chance of being thrown out of the  
vehicle in a crash if the doors are not locked.  
So, wear safety belts properly and lock the  
doors whenever you drive.  
Young children who get into unlocked vehicles  
may be unable to get out. A child can be  
overcome by extreme heat and can suffer  
permanent injuries or even death from heat  
stroke. Always lock your vehicle whenever you  
leave it.  
Outsiders can easily enter through an unlocked  
door when you slow down or stop your vehicle.  
Locking your doors can help prevent this from  
happening.  
1. Separate the transmitter with a flat, thin object  
inserted into the slot on the side or back of the  
transmitter.  
2. Remove the old battery. Do not use a metal object.  
3. Insert the new battery, positive side facing down.  
Replace with a CR2032 or equivalent battery.  
4. Reassemble the transmitter.  
2-10  
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There are several ways to lock and unlock your vehicle.  
From the inside, use the power door lock switch located  
at the top of the door panel near both windows.  
See Power Door Locks on page 2-12.  
From the outside, press the lock or unlock button on  
the keyless access transmitter.  
To open a door from the inside, press the button (B) in  
front of the door handle and push the door open. You will  
hear a tone when the button is pressed.  
If power to the vehicle or the keyless access transmitter  
is lost, there are two ways to open the door.  
Door Open to Show Location of Door Handle Sensor  
When you have the transmitter with you, you may also  
unlock and open the door by squeezing the door handle  
sensor (A). You do not have to press the unlock button  
on the transmitter. You will be able to open the door  
when you press the door handle sensor and the vehicle  
recognizes your keyless access transmitter. When the  
passenger door is opened first, the driver’s door will also  
unlock.  
From inside the vehicle, use the door release handle  
located on the floor next to each seat. Pull the handle up  
to unlock and unlatch the door.  
2-11  
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Power Door Locks  
The power door lock switches are located on the doors.  
There is an indicator light on the rear of the door  
near the window.  
K (Unlock): Press to unlock the doors.  
When pressed, a beep sounds. If the door is closed, the  
light blinks twice. If the door is open, the light flashes.  
Q (Lock): Press to lock the doors.  
When pressed, a beep sounds. If the door is closed  
when pressed, the light comes on for a few seconds,  
then turns off. If the door is open when pressed, the light  
stays on.  
From outside the vehicle, use the key in the cylinder  
above the license plate to open the hatch then use the  
door release tab located on the carpet inside the hatch on  
the driver’s side of the vehicle. Pull the tab to unlock and  
unlatch the driver’s door. See Keys on page 2-3 for  
information on opening the hatch during a loss of power.  
2-12  
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With the vehicle stopped and the engine running, door  
unlocking can be programmed through the Driver  
Information Center (DIC). This allows the driver to choose  
various unlock settings. For programming information,  
see DIC Vehicle Personalization on page 3-73.  
Automatic Door Lock  
The vehicle is programmed so that, when the doors are  
closed, the ignition is on and the shift lever is moved out  
of P (Park)for automatic transmissions, or when vehicle  
speed becomes faster than 8 mph (13 km/h) for manual  
transmissions, both doors will lock.  
Lockout Protection  
Use the power door unlock switch to unlock the door  
when the vehicle is not in P (Park). When the door is  
closed again, the doors will lock either when your foot is  
removed from the brake or the vehicle speed becomes  
faster than 8 mph (13 km/h).  
Your vehicle can be programmed to sound the horn  
three times and unlock the driver door when both doors  
are closed and there is a keyless access transmitter  
inside the vehicle. When the driver door is opened,  
a reminder chime will sound continuously. The vehicle  
will remain locked only when at least one transmitter  
has been removed from the vehicle and both doors are  
closed. See DIC Vehicle Personalization on page 3-73.  
Programmable Automatic Door  
Unlock  
The vehicle is programmed so that when the shift lever is  
moved into P (Park) for automatic transmission vehicles  
or when the ignition is turned OFF or is in Retained  
Accessory Power (RAP) for manual transmission  
vehicles, both doors will unlock.  
2-13  
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Hatch  
CAUTION: (Continued)  
Adjust the Climate Control system to a setting  
that brings in only outside air and set the fan  
speed to the highest setting. See Climate  
Control System in the Index.  
If the vehicle is equipped with a power liftgate,  
disable the power liftgate function.  
{ CAUTION:  
Exhaust gases can enter the vehicle if it is driven  
with the liftgate, trunk/hatch open, or with any  
objects that pass through the seal between the  
body and the trunk/hatch or liftgate. Engine  
exhaust contains Carbon Monoxide (CO) which  
cannot be seen or smelled. It can cause  
unconsciousness and even death.  
For more information about carbon monoxide, see  
Engine Exhaust on page 2-36.  
Notice: Closing the hatch/trunk lid forcefully or  
from the sides can cause damage to the glass, the  
defogger or the weather stripping. Be sure objects  
will fit in the hatch/trunk area before closing the  
hatch/trunk lid. When closing the hatch/trunk  
lid, gently pull down from the center.  
If the vehicle must be driven with the liftgate, or  
trunk/hatch open:  
Close all of the windows.  
Fully open the air outlets on or under the  
instrument panel.  
CAUTION: (Continued)  
Notice: Do not store heavy or sharp objects in the  
rear storage compartments located in the hatch/trunk  
area. The objects could damage the underbody.  
2-14  
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Hatch/Trunk Lid Release  
There are several ways to release the hatch/trunk lid.  
If your vehicle has an automatic transmission, the shift  
lever must be in P (Park). For manual transmission  
vehicles, the parking brake must be set when the  
ignition is started for the hatch/trunk release to operate.  
The parking brake does not need to be set when the  
ignition is off for the hatch/trunk release to operate.  
See Parking Brake on page 2-32.  
V (Hatch/Trunk): Press the hatch/trunk lid release  
button, located on the instrument panel to the left of the  
steering wheel. The theft-deterrent alarm system  
must not be armed.  
} (Hatch/Trunk): Press the hatch/trunk lid release  
button on the keyless access transmitter. See Keyless  
Access System on page 2-4.  
If your vehicle has lost battery power, open the hatch/  
trunk using the vehicle key. See Keys on page 2-3 for  
more information. The key lock cylinder is located on  
the rear of the hatch/trunk lid above the license plate.  
Turn the vehicle key clockwise in the lock.  
Press the hatch/trunk release button located on the rear  
of the hatch/trunk lid above the license plate, as long  
as you have your transmitter with you.  
2-15  
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The emergency trunk release handle is only  
intended to aid a person trapped in a latched trunk,  
enabling them to open the trunk from the inside.  
Closing the Rear Compartment  
(Except Convertible)  
To close the rear compartment lid of your coupe, pull  
down on the rear edge of the lid. Lower it until the power  
pull down latch feature activates and it will close the  
rest of the way and latch automatically.  
There is a glow-in-the-dark emergency trunk release  
handle located on the rear wall of the trunk below  
the latch. This handle will glow following exposure to  
light. Pull the release handle down to open the  
trunk from the inside.  
Emergency Trunk Release Handle  
(Coupe)  
Windows  
{ CAUTION:  
Leaving children, helpless adults, or pets in a  
vehicle with the windows closed is dangerous.  
They can be overcome by the extreme heat and  
suffer permanent injuries or even death from heat  
stroke. Never leave a child, a helpless adult, or a  
pet alone in a vehicle, especially with the windows  
closed in warm or hot weather.  
Notice: Do not use the emergency trunk release  
handle as a tie-down or anchor point when securing  
items in the trunk as it could damage the handle.  
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Power Windows  
The power window switches are located on each door.  
Pull up or press down on the front of the switch to  
raise or lower the window.  
Retained Accessory Power (RAP) allows you to use  
the power windows when the ignition is off. For more  
information, see Retained Accessory Power (RAP) on  
page 2-24.  
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Express-Down Window  
Sun Visors  
Press the front of the switch to the second position to  
activate the express-down feature. If you want to stop the  
window as it is lowering, press the switch again.  
Pull the visor toward you, or move it to the side to help  
reduce glare.  
To use the lighted mirror, lift the cover.  
Window Indexing  
Theft-Deterrent Systems  
Vehicle theft is big business, especially in some cities.  
This vehicle has theft-deterrent features, however,  
they do not make it impossible to steal.  
This feature automatically lowers the window a small  
amount when the door is opened. When the door is  
closed, the window will raise to its full up position. If either  
window does not index properly, it could be due to loss of  
power. Before returning to your dealer/retailer for service,  
perform the power window initialize procedure.  
Theft-Deterrent System  
Power Window Initialize  
This vehicle has a theft-deterrent alarm system.  
After a power reconnect such as battery replacement,  
the window index-up feature will not function until  
the system is initialized.  
The security light flashes if  
a door is open and locked  
with the power door lock  
switch.  
Once power is restored:  
1. Close the door.  
2. Raise the window and hold the switch up for  
three seconds after the window is closed.  
3. Release the switch, then hold the switch up again  
for three seconds and release.  
If this light stays on while the engine is running, the  
vehicle needs service.  
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Arming the System  
Testing the Alarm  
To arm the system:  
To test the system:  
1. Make sure the trunk lid/hatch is latched.  
2. Lower the window on the driver door.  
3. Manually arm the system.  
Press Q on the keyless access transmitter.  
Open the door and lock the door with the power  
door lock switch. The security light should flash.  
Remove the keyless access transmitter from inside  
the vehicle and close the door. The security light  
stops flashing and stays on. After 30 seconds,  
the light should turn off.  
4. Close the doors and wait 30 seconds.  
5. Reach through the open window and manually pull  
the release lever on the floor.  
The vehicle can be programmed to automatically  
lock the doors and arm the theft-deterrent system  
when you exit the vehicle. See DIC Vehicle  
Personalization on page 3-73.  
6. Press the unlock button on the transmitter to turn  
off the alarm.  
If the alarm does not sound, check to see if the horn  
works. The horn fuse may be blown. See Fuses and  
Circuit Breakers on page 5-103. If the horn works, but the  
alarm does not go off, see your dealer/retailer.  
If a door or the hatch/trunk is opened without using  
the keyless access transmitter, the alarm goes off.  
The horn sounds for two minutes, then goes off to  
save battery power. The vehicle will not start without  
a keyless access transmitter present.  
Disarming the System  
Press the unlock button on the keyless access  
transmitter or squeeze the door handle sensor while the  
transmitter is near the vehicle to unlock a door. Unlocking  
a door any other way sets off the alarm. If the alarm  
sounds, press the unlock button on the keyless access  
transmitter to disarm it.  
The theft-deterrent system does not arm if the driver  
door is locked with the power door lock switch after the  
doors are closed.  
If the keyless access transmitter is removed from the  
vehicle while a passenger is in it, have them lock  
the doors after they are closed. The alarm will not arm,  
so the passenger will not set it off.  
Do not leave the key or device that disarms or  
deactivates the theft deterrent system in the vehicle.  
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Immobilizer  
Immobilizer Operation  
This device complies with Part 15 of the FCC Rules.  
Operation is subject to the following two conditions:  
The vehicle has a passive theft-deterrent system.  
The system is automatically armed when the ignition is  
turned off.  
1. This device may not cause interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation.  
The immobilization system is disarmed when the ignition  
is turned to OFF/ACCESSORY or START and a valid  
transmitter is found in the vehicle.  
This device complies with RSS-210 of Industry Canada.  
Operation is subject to the following two conditions:  
You do not have to manually arm or disarm the system.  
The security light comes on if there is a problem with  
arming or disarming the theft-deterrent system.  
1. This device may not cause interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation of the device.  
The system has one or more keyless access transmitters  
that are matched to an immobilizer control unit in the  
vehicle. Only a correctly matched keyless access  
transmitter starts the vehicle. The vehicle may not  
start if the keyless access transmitter is damaged.  
Changes or modifications to this system by other than  
an authorized service facility could void authorization to  
use this equipment.  
If the engine does not start and the security light comes  
on, there may be a problem with the immobilizer system.  
Press the START button again.  
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If the vehicle does not start and the keyless access  
transmitter appears to be undamaged, try another  
keyless access transmitter. Or, place the transmitter in  
the transmitter pocket. See “NO FOBS DETECTED”  
under DIC Warnings and Messages on page 3-56 for  
additional information. Check the fuse. See Fuses and  
Circuit Breakers on page 5-103. If the engine still does  
not start with the other transmitter, the vehicle needs  
service. If the engine does start, the first transmitter may  
be faulty. See your dealer/retailer or have a new keyless  
access transmitter programmed to the vehicle.  
Starting and Operating  
Your Vehicle  
New Vehicle Break-In  
Follow these recommended guidelines during the first  
1,500 miles/2414 km of driving this vehicle. Parts have  
a break-in period and performance will be better in the  
long run.  
For the first 200 miles/322 km:  
The immobilizer system can learn new or replacement  
keyless access transmitters. Up to four keyless  
access transmitters can be programmed for the vehicle.  
To program additional transmitters, see “Matching  
transmitter(s) to Your Vehicle” under Keyless Access  
System Operation on page 2-5.  
To break in new tires, drive at moderate speeds and  
avoid hard cornering for the first 200 miles/322 km.  
New brake linings also need a break- in period. Avoid  
making hard stops during the first 200 miles/322 km.  
This is recommended every time brake linings are  
replaced.  
Do not leave the key or device that disarms or  
deactivates the theft deterrent system in the vehicle.  
2-21  
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For the first 500 miles/805 km:  
Front Air Dam  
Avoid full throttle starts and abrupt stops.  
Do not exceed 4,000 engine rpm.  
The vehicle is equipped with a front air dam which has  
minimal ground clearance.  
Avoid driving at any one constant speed, fast or  
slow, including the use of cruise control.  
Vehicles with the ZR-1 package also come with a splitter  
made from carbon fiber.  
Avoid downshifting to brake or slow the vehicle  
when the engine speed will exceed 4000 RPM.  
{ CAUTION:  
Do not let the engine labor. Never lug the  
engine in high gear at low speeds. With a manual  
transmission, shift to the next lower gear. This rule  
applies at all times, not just during the break-in  
period.  
The splitter in the ZR-1 is made from carbon fiber.  
When damaged, the exposed edges can be very  
sharp. A person could be injured by these sharp  
edges. Use caution when washing the vehicle,  
coming in contact with, or removing damaged  
carbon fiber parts. See your dealer/retailer for  
replacement.  
For the first 1,500 miles/2414 km:  
Do not participate in track events, sport driving  
schools, or similar activities during the first  
1,500 miles/2414 km.  
Check engine oil with every refueling and add if  
necessary. Oil and fuel consumption may be higher  
than normal during the first 1,500 miles/2414 km.  
Under normal operation, these components will  
occasionally contact some road surfaces (speed bumps,  
driveway ramps, etc.). This can be heard inside the  
vehicle as a scraping noise. This is normal and does  
not indicate a problem.  
Use care when approaching bumps or objects on road  
surfaces and avoid them when possible.  
2-22  
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9 Acc. (OFF/ACCESSORY): When the engine is  
on or the vehicle is in accessory power mode, it is  
recommended that a manual transmission be placed  
in R (Reverse). An automatic transmission must be  
placed in P (Park). Then press the Acc. button to turn the  
engine off and place the vehicle in RAP. See “Retained  
Accessory Power (RAP)” later for more information. If an  
automatic vehicle is not correctly placed in P (Park) a  
SHIFT TO PARK message will display on the Driver  
Information Center (DIC).  
Ignition Positions  
The vehicle has an  
electronic keyless ignition  
with a pushbutton start.  
For more information, see DIC Warnings and Messages  
on page 3-56.  
When the engine is off, press this button to place the  
vehicle in accessory mode. ACCESSORY MODE ON will  
display on the Driver Information Center (DIC). This mode  
allows you to use things like the radio and the windshield  
wipers while the engine is off. Use accessory mode if you  
must have the vehicle in motion while the engine is off, for  
example, if the vehicle is being pushed or towed.  
In order to shift out of P (Park), the vehicle must be  
running or in Acc. mode and the regular brake pedal  
must be applied.  
/ (START): Press this button while your foot is on the  
brake for an automatic transmission, or while pressing  
in the clutch for a manual transmission, to start the  
engine. If the vehicle is in OFF or Retained Accessory  
Power (RAP) mode, the keyless access transmitter must  
be inside the vehicle to start the engine.  
After being in accessory mode for about 10 minutes, the  
vehicle will automatically enter RAP or OFF, depending  
on if the doors are opened or closed.  
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Cell phone chargers can interfere with the operation of  
the Keyless Access System. Battery chargers should  
not be plugged in when starting or turning off the engine.  
Retained Accessory Power (RAP)  
These vehicle accessories can be used for up to  
10 minutes after the engine is turned off:  
To start the vehicle, do the following:  
Audio System  
1. For vehicles with an automatic transmission, with  
your foot on the brake pedal, press the START  
button located on the instrument panel. For vehicles  
with a manual transmission, you must also press in  
the clutch pedal while pressing the START button.  
Power Windows  
These features continue to work up to 10 minutes after  
the engine is turned off or until either door is opened.  
If a door is opened, the power windows and audio  
system will shut off.  
If there is not a keyless access transmitter in the  
vehicle or if there is something causing interference  
with it, the DIC will display NO FOBS DETECTED.  
See DIC Warnings and Messages on page 3-56  
for more information.  
Starting the Engine  
Move the shift lever to P (Park) or N (Neutral) for an  
automatic transmission. For a manual transmission the  
vehicle can be started in Neutral or any other gear as  
long as the clutch pedal is pressed. To restart a vehicle  
with a manual transmission when you are already  
moving, use the Neutral position only. To restart a vehicle  
with an automatic transmission when you are already  
moving, use N (Neutral).  
2. When the engine begins cranking, let go of the  
button and the engine cranks automatically until  
it starts. If the battery in the keyless access  
transmitter is weak, the DIC displays FOB  
BATTERY LOW. You can still drive the vehicle.  
See “Battery Replacement” under Keyless Access  
System Operation on page 2-5 for more information.  
If the fob battery is dead, you need to insert the  
fob into the fob slot to enable engine starting.  
See “No Fobs Detected” under DIC Warnings  
and Messages on page 3-56.  
Notice: Do not try to shift to P (Park) if the  
vehicle is moving. If you do, you could damage  
the transmission. Shift to P (Park) only when the  
vehicle is stopped.  
3. Do not race the engine immediately after starting it.  
Operate the engine and transmission gently until  
the oil warms up and lubricates all moving parts.  
The keyless access transmitter must be inside the  
vehicle for the ignition to work.  
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4. If the engine does not start and no DIC message is  
displayed, wait 15 seconds before trying again to let  
the cranking motor cool down.  
Notice: The engine is designed to work with  
the electronics in the vehicle. If electrical parts or  
accessories are added, you could change the way the  
engine operates. Before adding electrical equipment,  
check with your dealer/retailer. If you do not, the  
engine might not perform properly. Any resulting  
damage would not be covered by the vehicle  
warranty.  
If the engine does not start after 5-10 seconds,  
especially in very cold weather (below 0°F or 18°C),  
it could be flooded with too much gasoline. Try  
pushing the accelerator pedal all the way to the floor  
while cranking for up to 15 seconds maximum. Wait  
at least 15 seconds between each try, to allow the  
cranking motor to cool down. When the engine starts,  
let go of the accelerator. If the vehicle starts briefly  
but then stops again, repeat these steps. This clears  
the extra gasoline from the engine.  
Stopping the Engine  
If the vehicle has an automatic transmission, move  
the shift lever to P (Park) and press and hold the Acc.  
(Off/Accessory) button, located on the instrument panel,  
until the engine shuts off. If the shift lever is not in  
P (Park), the engine shuts off and the vehicle goes  
into the Accessory Mode. The DIC displays SHIFT TO  
PARK. Once the shifter is moved to P (Park), the vehicle  
turns off. If the vehicle has a manual transmission,  
it is recommended that you move the shift lever to  
R (Reverse) and set the parking brake after you turn off  
the engine by pressing the Acc. (Off/Accessory) button.  
Notice: Cranking the engine for long periods of  
time, by pressing the START button immediately  
after cranking has ended, can overheat and damage  
the cranking motor, and drain the battery. Wait at  
least 15 seconds between each try, to allow the  
cranking motor to cool down.  
The vehicle has a Computer-Controlled Cranking  
System. This feature assists in starting the engine and  
protects components. Once cranking has been initiated,  
the engine continues cranking for a few seconds or until  
the vehicle starts. If the engine does not start, cranking  
automatically stops after 15 seconds to prevent cranking  
motor damage. To prevent gear damage, this system  
also prevents cranking if the engine is already running.  
If the keyless access transmitter is not detected inside  
the vehicle when it is turned to off, the DIC displays  
NO FOB – OFF OR RUN?.  
See DIC Warnings and Messages on page 3-56 for  
more information.  
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Automatic Transmission Operation  
{ CAUTION:  
There are several different  
positions for the shift lever.  
It is dangerous to get out of the vehicle if the shift  
lever is not fully in P (Park) with the parking brake  
firmly set. The vehicle can roll.  
Do not leave the vehicle when the engine is  
running unless you have to. If you have left the  
engine running, the vehicle can move suddenly.  
You or others could be injured. To be sure the  
vehicle will not move, even when you are on fairly  
level ground, always set the parking brake and  
move the shift lever to P (Park). See Shifting Into  
P (Park): This position locks the rear wheels. It is the  
best position to use when starting the engine because  
the vehicle cannot move easily.  
Be sure the shift lever is fully in P (Park) before starting  
the engine.  
The vehicle has an automatic transmission shift lock  
control system. You have to fully apply the brakes and  
then press the shift lever button before you can shift  
from P (Park) when the vehicle is running. If you cannot  
shift out of P (Park), ease pressure on the shift lever  
and push the shift lever all the way into P (Park) as you  
maintain brake application. Then press the shift lever  
button and move the shift lever into another gear.  
See Shifting Out of Park on page 2-34.  
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R (Reverse): Use this gear to back up.  
Notice: Shifting out of P (Park) or N (Neutral) with  
the engine running at high speed may damage  
the transmission. The repairs would not be covered  
by the vehicle warranty. Be sure the engine is  
not running at high speed when shifting the vehicle.  
Notice: Shifting to R (Reverse) while the vehicle is  
moving forward could damage the transmission.  
The repairs would not be covered by the vehicle  
warranty. Shift to R (Reverse) only after the vehicle  
is stopped.  
D (Drive): This position is for normal driving. It provide  
the best fuel economy. If you need more power for  
passing, and you are:  
To rock the vehicle back and forth to get out of snow,  
ice, or sand without damaging the transmission,  
on page 4-22.  
Going less than about 35 mph (56 km/h), push the  
accelerator pedal about halfway down.  
Going about 35 mph (56 km/h) or more, push the  
accelerator all the way down.  
N (Neutral): In this position, the engine does not  
connect with the wheels. To restart the engine when the  
vehicle is already moving, use N (Neutral) only. If the  
vehicle needs towing, see Towing Your Vehicle on  
page 4-28.  
Downshifting the transmission in slippery road conditions  
could result in skidding, see “Skidding” under Loss of  
Control on page 4-12.  
S (Sport Mode): When in S (Sport Mode), the  
transmission will work as an automatic until you use  
the Manual Paddle Shift Controls, which activates driver  
manual gear selection. See Manual Paddle Shift later in  
this section. While in S (Sport Mode), the transmission’s  
computer determines when the vehicle is being driven  
in a competitive manner and will select and hold the  
transmission in lower gears and have more noticeable  
upshifts for sportier vehicle performance.  
{ CAUTION:  
Shifting into a drive gear while the engine is  
running at high speed is dangerous. Unless your  
foot is firmly on the brake pedal, the vehicle could  
move very rapidly. You could lose control and hit  
people or objects. Do not shift into a drive gear  
while the engine is running at high speed.  
2-27  
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To use the system, shift from P (Park) position to S (Sport  
Mode) while stopped and with the engine running, or from  
D (Drive) with the vehicle moving. When accelerating the  
vehicle from a stop in snowy and icy conditions, you may  
want to shift to 2 (Second) or 3 (Third) gear. A higher  
gear allows you to gain more traction on slippery  
surfaces. If traction control is active, upshifts are delayed  
to increase your control of the vehicle. See Traction  
Control System (TCS) on page 4-6.  
Manual Paddle Shift  
While in the S (Sport Mode) position, the paddles  
located on the steering wheel can be used to manually  
up-shift or down-shift the transmission.  
While the Manual Paddle Shift gear selection system is  
active, the transmission will automatically downshift  
through the gears as the vehicle slows. The transmission  
will select 2 (Second) gear as the vehicle stops. From a  
stop, the vehicle will start from and hold 2 (Second) gear  
unless the driver manually paddle shifts into a different  
gear or selects D (Drive). The driver can select 1 (First)  
gear for maximum acceleration from a stop.  
When using the Manual  
Paddle Shift feature while  
in S (Sport Mode), the  
current gear will be  
displayed in the Driver  
Information (DIC), or the  
Head-Up Display (HUD), if  
the vehicle has either of  
these features.  
While in S (Sport Mode), push the paddle above the  
steering wheel spokes to up-shift to the next gear, or pull  
on the paddle behind the steering wheel spokes to  
down-shift to the next gear.  
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If the vehicle has a Navigation system, see “Head-Up  
Display (HUD)” in the Index of the navigation manual.  
The vehicle speeds required for Manual Paddle Shift  
up-shifts depend on several vehicle inputs, which  
will vary the allowed up-shift speed by a few mph (km/h).  
The Manual Paddle Shift system will not allow either an  
up-shift or a down-shift if the vehicle speed is too fast  
or too slow, nor will it allow a start from 4 (Fourth) or  
higher gear.  
Up-shifts to 4 (Fourth) gear require approximately  
22 mph (35 km/h).  
Up-shifts to 5 (Fifth) gear require approximately  
28 mph (45 km/h).  
If up-shifting does not occur when needed, vehicle  
speed will be limited to protect the engine.  
Up-shifts to 6 (Sixth) gear require approximately  
41 mph (65 km/h).  
The transmission will also automatically down-shift as  
the vehicle slows down and comes to a stop.  
To prevent damage to the powertrain, Manual Paddle  
downshifts to a lower gear cannot be done above certain  
speeds. The maximum speed allowed for downshifting  
of gears 1 (First) through 4 (Fourth) are:  
When the transmission gear does not respond to a shift  
change, the DIC will show an X over the gear display.  
When a requested shift is  
denied due to the speed  
restrictions shown, the DIC  
will momentarily show  
an X over the gear display  
and a chime will sound.  
Into 4 (Fourth) gear over 168 mph (270 km/h)  
Into 3 (Third) gear over 124 mph (200 km/h)  
Into 2 (Second) gear over 81 mph (130 km/h)  
Into 1 (First) gear over 45 mph (72 km/h).  
If the driver does not request an upshift as the engine  
speed approaches fuel shut off RPM, the engine  
speed will be limited to protect the engine. See  
Tachometer on page 3-35 for more information.  
If the vehicle has a HUD, and the transmission gear does  
not respond to a shift change, a chime will sound and the  
HUD will momentarily show an X over the gear display.  
Manual Paddle Shift operation is available for use with  
Cruise Control. See Cruise Control on page 3-10  
for more information.  
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2 (Second): Press the clutch pedal as you let up on the  
accelerator pedal and shift into 2 (Second). Then, slowly  
let up on the clutch pedal as you press the accelerator  
pedal.  
Manual Transmission Operation  
This is the shift pattern for  
the six-speed manual  
transmission.  
3 (Third), 4 (Fourth), 5 (Fifth) and 6 (Sixth): Shift into  
3 (Third), 4 (Fourth), 5 (Fifth) and 6 (Sixth) the same  
way you do for 2 (Second). Slowly let up on the clutch  
pedal as you press the accelerator pedal.  
To stop, let up on the accelerator pedal and press the  
brake pedal. Just before the vehicle stops, press the  
clutch pedal and the brake pedal, and shift to Neutral.  
Neutral: Use this position when you start or idle the  
engine. The shift lever is in Neutral when it is centered  
in the shift pattern, not in any gear.  
Here is how to operate the transmission:  
1 (First): Press the clutch pedal and shift into 1 (First).  
Then slowly let up on the clutch pedal as you press  
the accelerator pedal.  
R (Reverse): To back up, press down the clutch pedal  
and shift into R (Reverse). Just apply pressure to get the  
lever past 5 (Fifth) and 6 (Sixth) into R (Reverse). Let up  
on the clutch pedal slowly while pressing the accelerator  
pedal.  
You can shift into 1 (First) when you are going less than  
40 mph (64 km/h). If you come to a complete stop and it  
is hard to shift into 1 (First), put the shift lever in Neutral  
and let up on the clutch. Press the clutch pedal back  
down. Then shift into 1 (First).  
The six-speed manual transmission has a feature that  
allows you to safely shift into R (Reverse) while the  
vehicle is rolling at less than 3 mph (5 km/h). You will be  
locked out if you try to shift into R (Reverse) while the  
vehicle is moving faster than 3 mph (5 km/h).  
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If the engine speed drops below 900 rpm, or if the  
engine is not running smoothly, you should downshift to  
the next lower gear. You may have to downshift two  
or more gears to keep the engine running smoothly or  
for good engine performance.  
Shift Speeds (Manual Transmission)  
{ CAUTION:  
Notice: When shifting gears, do not move the shift  
lever around unnecessarily. This may damage  
the transmission. Shift directly into the next gear.  
If you skip a gear when you downshift, you could  
lose control of the vehicle. You could injure  
yourself or others. Do not shift down more than  
one gear at a time when you downshift.  
One to Four Shift Light  
(Manual Transmission)  
This chart shows when to shift to the next higher gear  
for the best fuel economy.  
When this light comes on,  
you can only shift from  
1 (First) to 4 (Fourth)  
instead of 1 (First) to  
2 (Second).  
Manual Transmission Recommended  
Shift Speeds in mph (km/h)  
Acceleration Shift Speed  
1 to 2 2 to 3 3 to 4 4 to 5 5 to 6  
Engine  
All  
15 (24) 25 (40) 40 (64) 45 (72) 50 (80)  
Engines  
page 3-39 for more information.  
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The spring will try to pull the shift lever toward 4 (Fourth)  
and 3 (Third). Make sure you move the lever into  
2 (Second) or 5 (Fifth). If you let the shift lever move in  
the direction of the pulling, you may end up shifting  
from 1 (First) to 4 (Fourth) or from 6 (Sixth) to 3 (Third).  
Downshifting (Manual Transmission)  
Do not downshift into the gear shown below at a speed  
greater than shown in the table:  
1 (First)  
2 (Second)  
3 (Third)  
50 mph (80 km/h)  
74 mph (119 km/h)  
101 mph (163 km/h)  
130 mph (209 km/h)  
Parking Brake  
The parking brake lever is located to the right of the  
center console.  
4 (Fourth)  
Notice: If you skip more than one gear when you  
downshift, or if you race the engine when you  
release the clutch pedal while downshifting, you  
could damage the engine, clutch, driveshaft or the  
transmission. Do not skip gears or race the  
engine when downshifting.  
To set the parking brake, hold the brake pedal down.  
Pull the parking brake lever up. If the ignition is on, the  
brake system warning light will come on.  
To release the parking brake, hold the brake pedal  
down. Then push the release button in as you move the  
parking brake lever all the way down.  
The six-speed transmission has a spring that centers  
the shift lever near 3 (Third) and 4 (Fourth). This spring  
helps you know which gear you are in when you are  
shifting. Be careful when shifting from 1 (First) to  
2 (Second) or downshifting from 6 (Sixth) to 5 (Fifth).  
Notice: Driving with the parking brake on can  
overheat the brake system and cause premature  
wear or damage to brake system parts. Make sure  
that the parking brake is fully released and the brake  
warning light is off before driving.  
2-32  
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Leaving the Vehicle With the Engine  
Running (Automatic Transmission)  
Shifting Into Park (Automatic  
Transmission)  
{ CAUTION:  
{ CAUTION:  
It can be dangerous to leave the vehicle with the  
engine running. The vehicle could move suddenly if  
the shift lever is not fully in P (Park) with the parking  
brake firmly set. And, if you leave the vehicle with  
the engine running, it could overheat and even  
catch fire. You or others could be injured. Do not  
leave the vehicle with the engine running.  
It can be dangerous to get out of the vehicle if the  
shift lever is not fully in P (Park) with the parking  
brake firmly set. The vehicle can roll. If you have  
left the engine running, the vehicle can move  
suddenly. You or others could be injured. To be  
sure the vehicle will not move, even when you are  
on fairly level ground, use the steps that follow.  
If you have to leave the vehicle with the engine running,  
be sure the vehicle is in P (Park) and the parking brake is  
firmly set before you leave it. After you have moved the  
shift lever into P (Park), hold down the regular brake  
pedal. See if you can move the shift lever away from  
P (Park) without first pushing the button on the lever.  
If you can, it means that the shift lever was not fully  
locked into P (Park).  
1. Hold the brake pedal set the parking brake.  
See Parking Brake on page 2-32 for more  
information.  
2. Move the shift lever into P (Park) by holding in the  
button on the lever and pushing the lever all the  
way toward the front of the vehicle.  
3. Press the Acc. button (ignition switch) to turn the  
engine off.  
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Torque Lock (Automatic Transmission)  
Shifting Out of Park  
If you are parking on a hill and you do not shift the  
transmission into P (Park) properly, the weight of the  
vehicle may put too much force on the parking pawl in  
the transmission. You may find it difficult to pull the  
shift lever out of P (Park). This is called “torque lock.”  
To prevent torque lock, set the parking brake and  
then shift into P (Park) properly before you leave the  
driver seat. To find out how, see “Shifting Into P (Park)”  
listed previously in this section.  
Shift lock release prevents shifting out of P (Park)  
unless the vehicle is running or in Accessory mode and  
the brake pedal is applied.  
The shift lock release is always functional except in  
the case of an uncharged or low voltage (less than  
9-volt) battery. See Jump Starting on page 5-50 for  
more information.  
To shift out of P (Park) use the following:  
1. Apply the brake pedal.  
When you are ready to drive, move the shift lever out of  
P (Park) before you release the parking brake.  
2. Press the shift lever button.  
If torque lock does occur, you may need to have another  
vehicle push yours a little uphill to take some of the  
pressure from the transmission parking pawl, so you can  
pull the shift lever out of P (Park).  
3. Move the shift lever to the desired position.  
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If you still are unable to shift out of P (Park):  
1. Fully release the shift lever button.  
Parking Over Things That Burn  
2. While holding down the brake pedal, press the shift  
lever button again.  
{ CAUTION:  
3. Move the shift lever to the desired position.  
Things that can burn could touch hot exhaust  
parts under the vehicle and ignite. Do not park  
over papers, leaves, dry grass, or other things that  
can burn.  
If you still cannot move the shift lever from P (Park),  
consult your dealer/retailer or a professional towing  
service.  
Parking the Vehicle (Manual  
Transmission)  
Before you get out of the vehicle, move the shift lever  
into R (Reverse) and firmly apply the parking brake.  
Once the shift lever has been placed into R (Reverse)  
with the clutch pedal pressed in, you can turn the ignition  
off and release the clutch.  
2-35  
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Engine Exhaust  
CAUTION: (Continued)  
The vehicle’s exhaust system has been  
modified, damaged or improperly repaired.  
There are holes or openings in the vehicle  
body from damage or after-market  
{ CAUTION:  
Engine exhaust contains Carbon Monoxide (CO)  
which cannot be seen or smelled. Exposure to CO  
can cause unconsciousness and even death.  
modifications that are not completely sealed.  
If unusual fumes are detected or if it is suspected  
that exhaust is coming into the vehicle:  
Drive it only with the windows  
completely down.  
Have the vehicle repaired immediately.  
Exhaust may enter the vehicle if:  
The vehicle idles in areas with poor ventilation  
(parking garages, tunnels, deep snow that  
may block underbody airflow or tail pipes).  
The exhaust smells or sounds strange or  
different.  
Never park the vehicle with the engine running in an  
enclosed area such as a garage or a building that  
has no fresh air ventilation.  
The exhaust system leaks due to corrosion or  
damage.  
CAUTION: (Continued)  
2-36  
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Running the Vehicle While Parked  
{ CAUTION:  
It is better not to park with the engine running. But if you  
ever have to, here are some things to know.  
It can be dangerous to get out of the vehicle  
if the automatic transmission shift lever is not  
fully in P (Park) with the parking brake firmly set.  
The vehicle can roll. Do not leave the vehicle when  
the engine is running unless you have to. If you  
have left the engine running, the vehicle can move  
suddenly. You or others could be injured. To be  
sure the vehicle will not move, even when you are  
on fairly level ground, always set the parking brake  
and move the shift lever to P (Park).  
{ CAUTION:  
Idling a vehicle in an enclosed area with poor  
ventilation is dangerous. Engine exhaust may  
enter the vehicle. Engine exhaust contains Carbon  
Monoxide (CO) which cannot be seen or smelled.  
It can cause unconsciousness and even death.  
Never run the engine in an enclosed area that has  
no fresh air ventilation. For more information, see  
Engine Exhaust on page 2-36.  
Follow the proper steps to be sure the vehicle will not  
on page 2-33.  
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Map Lamps  
Mirrors  
If the mirror has map lamps, they are located at the  
bottom of the mirror. To manually turn the lamps on or  
off, press the button next to each lamp.  
Automatic Dimming Rearview Mirror  
The vehicle may have an automatic dimming inside  
rearview mirror with a compass display and/or  
Cleaning the Mirror  
map lamps, and OnStar®. If the vehicle has OnStar,  
there are three control buttons located at the bottom of  
the mirror. See OnStar® System on page 2-41 for  
more information on the services OnStar® provides.  
Do not spray glass cleaner directly on the mirror. Use a  
soft towel dampened with water.  
Compass  
Automatic Dimming Mirror Operation  
Compass Operation  
The mirror automatically changes to reduce glare  
from headlamps behind you. A time delay feature  
prevents rapid changing from the day to night positions  
while driving under lights and through traffic.  
With the compass feature on, each time the vehicle is  
started, the compass will take a few seconds to adjust  
and display the current compass heading. For example,  
NE is displayed for north-east.  
P (On/Off): The automatic dimming feature is activated  
when the vehicle is started. Press and hold this button  
for up to six seconds to turn this feature on or off.  
T (Indicator Light): This light turns on when the  
automatic dimming feature is active.  
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To adjust for compass variance:  
Compass Calibration  
1. Find your current location and variance zone  
number on the zone map that follows.  
Press P once to turn the compass display on or off.  
If after several seconds the display does not show a  
compass heading, there may be a strong magnetic field  
interfering with the compass. Interference can be caused  
by a magnetic antenna mount, note pad holder or similar  
object. If the letter C or CAL appears in the compass  
window, the compass needs calibration.  
Depending on the mirror, in order to calibrate, CAL must  
be displayed in the mirror compass windows. If CAL is not  
displayed, press P for several seconds or until CAL is  
displayed.  
If the compass has map lamps, it can be placed in  
calibration mode by pressing and holding the left map  
light button until a C appears on the compass display.  
The mirror compass can be calibrated by driving the  
vehicle in circles at 5 mph (8 km/h) or less until  
the display reads a direction.  
Compass Variance  
2. Press and hold P until a Z and a zone number  
The mirror is set to zone eight. If you do not live in zone  
eight or drive out of the area, the compass variance  
needs to be changed to the appropriate zone.  
displays. The compass is now in zone mode.  
3. Once the zone number displays, press P  
repeatedly until you reach the correct zone number.  
Stop pressing P and the mirror returns to normal  
operation.  
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Manually fold the mirrors inward to prevent damage when  
going through an automatic car wash. To fold, push the  
mirror toward the vehicle. Push the mirror outward, to  
return it to the original position.  
Outside Power Mirrors  
Outside Automatic Dimming Mirror  
If your vehicle has this feature, the driver side outside  
mirror adjusts for the glare of headlamps behind you.  
This feature is controlled by the on and off setting on the  
inside rearview mirror.  
Outside Convex Mirror  
Controls for the outside power mirrors are located on  
the driver door.  
To adjust the mirrors:  
{ CAUTION:  
1. Move the top selector control to the left or right to  
select either the driver or passenger mirror.  
A convex mirror can make things, like other  
vehicles, look farther away than they really are.  
If you cut too sharply into the right lane, you could  
hit a vehicle on the right. Check the inside mirror or  
glance over your shoulder before changing lanes.  
2. Use the arrows located on the four-way control pad  
to move the mirror in the desired direction.  
3. Adjust each outside mirror so that a little of the  
vehicle and the area behind it can be seen.  
Keep the control in the center position when not  
adjusting either outside mirror.  
The passenger side mirror is convex shaped. A convex  
mirror’s surface is curved so more can be seen from  
the driver seat.  
If the vehicle has the memory feature, a preferred mirror  
position can be stored. See Memory Seat, Mirrors and  
Steering Wheel on page 1-4.  
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most vehicles. OnStar Turn-by-Turn Navigation service,  
with one trial route, is available on most vehicles. Press  
the OnStar button to have an OnStar advisor contact  
Roadside Service.  
Outside Heated Mirrors  
< (Rear Window Defogger): Press to heat the  
mirrors.  
OnStar service is provided subject to the OnStar Terms  
and Conditions included in the OnStar Subscriber  
glove box literature.  
See “Rear Window Defogger” under Dual Automatic  
Climate Control System on page 3-25 for more  
information.  
Some services such as Remote Door Unlock or Stolen  
Vehicle Location Assistance may not be available until  
the owner of the vehicle registers with OnStar. After the  
first prepaid year, contact OnStar to select a monthly or  
annual subscription payment plan. If a payment plan is  
not selected, the OnStar system and all services,  
OnStar® System  
including airbag notification and emergency services,  
may be deactivated and no longer available. For more  
information visit onstar.com (U.S.) or onstar.ca (Canada),  
or press the OnStar button to speak with an advisor.  
Not all OnStar services are available on all vehicles.  
To check if this vehicle is able to provide the services  
described below, or for a full description of OnStar  
services and system limitations, see the OnStar Owner’s  
Guide in the glove box or visit onstar.com (U.S.) or  
onstar.ca (Canada), contact OnStar at 1-888-4-ONSTAR  
(1-888-466-7827) or TTY 1-877-248-2080, or press the  
OnStar button to speak with an OnStar advisor 24 hours  
a day, 7 days a week.  
OnStar uses several innovative technologies and live  
advisors to provide a wide range of safety, security,  
information, and convenience services. If the airbags  
deploy, the system is designed to make an automatic  
call to OnStar Emergency advisors who can request  
emergency services be sent to your location. If the  
keys are locked in the vehicle, call OnStar at  
1-888-4-ONSTAR to have a signal sent to unlock  
the doors. OnStar Hands-Free Calling, including  
30 trial minutes good for 60 days, is available on  
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OnStar Services Available with the  
Safe & Sound Plan  
OnStar Hands-Free Calling  
OnStar Hands-Free Calling allows eligible OnStar  
subscribers to make and receive calls using voice  
commands. Hands-Free Calling is fully integrated into  
the vehicle, and can be used with OnStar Pre-Paid  
Minute Packages. Most vehicles include 30 trial minutes  
good for 60 days. Hands-Free Calling can also be  
linked to a Verizon Wireless service plan in the U.S. or  
a Bell Mobility service plan in Canada, depending  
on eligibility. To find out more, refer to the OnStar  
Owner’s Guide in the vehicle’s glove box, visit  
onstar.com or onstar.ca, or speak with an OnStar  
advisor by pressing the OnStar button or calling  
1-888-4-ONSTAR (1-888-466-7827).  
Automatic Notification of Airbag Deployment  
Advanced Automatic Crash Notification (AACN)  
(If equipped)  
Link to Emergency Services  
Roadside Assistance  
Stolen Vehicle Location Assistance  
Remote Door Unlock/Vehicle Alert  
OnStar Vehicle Diagnostic Email  
GM Goodwrench On Demand Diagnostics  
OnStar Hands-Free Calling with 30 trial minutes  
OnStar Virtual Advisor (U.S. Only)  
OnStar Turn-by-Turn Navigation  
Vehicles with the OnStar Turn-by-Turn Navigation  
system can provide voice-guided driving directions.  
Press the OnStar button to have an OnStar advisor  
locate a business or address and download driving  
directions to the vehicle. Voice-guided directions to the  
desired destination will play through the audio system  
speakers. See the OnStar Owner’s Guide for more  
information.  
OnStar Services Included with  
Directions & Connections Plan  
All Safe and Sound Plan Services  
OnStar Turn-by-Turn Navigation (If equipped) or  
Driving Directions - Advisor delivered  
RideAssist  
Information and Convenience Services  
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OnStar Virtual Advisor  
How OnStar Service Works  
OnStar Virtual Advisor is a feature of OnStar Hands-Free  
Calling that uses minutes to access location-based  
weather, local traffic reports, and stock quotes. Press  
the phone button and give a few simple voice commands  
to browse through the various topics. See the OnStar  
Owner’s Guide for more information. This feature is only  
available in the continental U.S.  
The OnStar system can record and transmit vehicle  
information. This information is automatically sent to an  
OnStar Call Center when the OnStar button is pressed,  
the emergency button is pressed, or if the airbags or  
AACN system deploy. This information usually includes  
the vehicle’s GPS location and, in the event of a crash,  
additional information regarding the crash that the vehicle  
was involved in (e.g. the direction from which the vehicle  
was hit). When the Virtual Advisor feature of OnStar  
Hands-Free Calling is used, the vehicle also sends  
OnStar the vehicle’s GPS location so they can provide  
services where it is located.  
OnStar Steering Wheel Controls  
This vehicle may have a Talk/Mute button that can be  
used to interact with OnStar Hands-Free Calling.  
See Audio Steering Wheel Controls on page 3-108 for  
more information.  
OnStar service cannot work unless the vehicle is in a  
place where OnStar has an agreement with a wireless  
service provider for service in that area. OnStar service  
also cannot work unless the vehicle is in a place where  
the wireless service provider OnStar has hired for that  
area has coverage, network capacity and reception when  
the service is needed, and technology that is compatible  
with the OnStar service. Not all services are available  
everywhere, particularly in remote or enclosed areas, or  
at all times.  
On some vehicles, the mute button can be used to dial  
numbers into voice mail systems, or to dial phone  
extensions. See the OnStar Owner’s Guide for more  
information.  
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Location information about the vehicle is only available  
if the GPS satellite signals are unobstructed and  
available.  
Universal Home Remote  
System  
The vehicle must have a working electrical system,  
including adequate battery power, for the OnStar  
equipment to operate. There are other problems OnStar  
cannot control that may prevent OnStar from providing  
OnStar service at any particular time or place. Some  
examples are damage to important parts of the vehicle in  
a crash, hills, tall buildings, tunnels, weather or wireless  
phone network congestion.  
The Universal Home Remote System provides a way to  
replace up to three hand-held radio-frequency (RF)  
transmitters used to activate devices such as garage  
door openers, security systems, and home lighting.  
This device complies with Part 15 of the FCC Rules.  
Operation is subject to the following two conditions:  
1. This device may not cause harmful interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation.  
Your Responsibility  
Increase the volume of the radio if the OnStar advisor  
cannot be heard. If the light next to the OnStar buttons is  
red, the system may not be functioning properly. Press  
the OnStar button and request a vehicle diagnostic. If the  
light appears clear (no light is appearing), your OnStar  
subscription has expired and all services have been  
deactivated. Press the OnStar button to confirm that the  
OnStar equipment is active.  
The FCC Grant of Equipment Authorization Certificate  
number is KOBGTV06A.  
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This device complies with RSS-210 of Industry Canada.  
Operation is subject to the following two conditions:  
This system provides a way to replace up to three  
remote control transmitters used to activate devices  
such as garage door openers, security systems,  
and home automation devices.  
1. This device may not cause interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation of the device.  
Do not use this system with any garage door opener  
that does not have the stop and reverse feature.  
This includes any garage door opener model  
manufactured before April 1, 1982.  
The Canadian Registration ID number is 3521A-GTV06A.  
Changes or modifications to this system by other than  
an authorized service facility could void authorization to  
use this equipment.  
Read the instructions completely before attempting to  
program the transmitter. Because of the steps involved,  
it may be helpful to have another person assist with  
programming the transmitter.  
Universal Home Remote System  
Operation  
Be sure to keep the original remote control transmitter for  
use in other vehicles, as well as, for future programming.  
Only the original remote control transmitter is needed for  
Fixed Code programming. The programmed buttons  
should be erased when the vehicle is sold or the lease  
ends. See “Erasing Universal Home Remote Buttons”  
later in this section.  
Park the vehicle outside of the garage when  
programming a garage door. Be sure that people  
and objects are clear of the garage door or gate that is  
being programmed.  
On vehicles with this feature there are three round Light  
Emitting Diode (LED) indicator lights above the Universal  
Home Remote buttons, follow the instructions below.  
2-45  
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To program up to three devices:  
Programming Universal Home  
Remote — Rolling Code  
1. Press START or put the vehicle in accessory mode.  
See Ignition Positions on page 2-23 for additional  
information.  
For questions or help programming the Universal  
Home Remote System, call 1-866-572-2728 or go to  
learcar2u.com.  
Programming can only occur when the vehicle is  
running or in accessory mode.  
Most garage door openers sold after 1996 are Rolling  
Code units.  
Programming a garage door opener involves  
time-sensitive actions, so read the entire procedure  
before starting. Otherwise, the device will time out and  
the procedure will have to be repeated.  
2. From inside the vehicle, press the two outside  
buttons at the same time for one to two seconds,  
and immediately release them.  
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4. Immediately return to the vehicle. Press and hold the  
Universal Home Remote button that will be used to  
control the garage door until the garage door moves.  
The indicator light, above the selected button, should  
slowly blink. This button may need to be held for up  
to 20 seconds.  
5. Immediately, within one second, release the button  
when the garage door moves. The indicator light  
blinks rapidly until programming is complete.  
6. Press and release the same button again.  
The garage door should move, confirming that  
programming is successful and complete.  
To program another Rolling Code device such as an  
additional garage door opener, a security device,  
or home automation device, repeat Steps 1-6, choosing  
a different function button in Step 4 than what was  
used for the garage door opener.  
3. Locate in the garage, the garage door opener  
receiver (motor-head unit). Locate the “Learn”  
or “Smart” button. It can usually be found where the  
hanging antenna wire is attached to the motor-head  
unit and may be a colored button. Press this  
button. After pressing this button, complete the  
following steps in less than 30 seconds.  
If these instructions do not work, the garage door  
opener is probably a Fixed Code unit. Follow the  
Programming instructions that follow for a Fixed Code  
garage door opener.  
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Programming Universal Home  
Remote — Fixed Code  
For questions or help programming the Universal  
Home Remote System, call 1-866-572-2728 or go to  
learcar2u.com.  
Most garage door openers sold before 1996 are Fixed  
Code units.  
Programming a garage door opener involves  
time-sensitive actions, so read the entire procedure  
before starting. Otherwise, the device will time out and  
the procedure will have to be repeated.  
To program up to three devices:  
1. Press START or put the vehicle in accessory mode.  
See Ignition Positions on page 2-23 for additional  
information.  
2. To verify that the garage door opener is a Fixed  
Code unit, remove the battery cover on the hand  
held transmitter supplied by the manufacturer of the  
garage door opener motor. If there are a row of dip  
switches similar to the graphic above, the garage  
door opener is a Fixed Code unit. If you do not  
see a row of dip switches, return to the previous  
section for Programming Universal Home  
Remote – Rolling Code.  
Programming can only occur when the vehicle is  
running or in accessory mode.  
The hand held transmitter can have between  
eight to 12 dip switches depending on the brand  
of transmitter.  
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The garage door opener receiver (motor head unit)  
could also have a row of dip switches that can  
be used when programming the Universal Home  
Remote. If the total number of switches on the motor  
head and hand held transmitter are different, or if  
the dip switch settings are different, use the  
dip switch settings on the motor head unit to  
program the Universal Home Remote. The motor  
head dip switch settings can also be used when the  
original hand held transmitter is not available.  
Example of Eight Dip Switches with Three Positions  
The panel of switches might not appear exactly as  
they do in the examples above, but they should  
be similar.  
The switch positions on the hand-held transmitter  
could be labeled, as follows:  
A switch in the up position could be labeled as  
“Up,” “+,” or “On.”  
A switch in the down position could be labeled  
Example of Eight Dip Switches with Two Positions  
as “Down,” “,” or “Off.”  
A switch in the middle position could be labeled  
as “Middle,” “0,” or “Neutral.”  
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3. Write down the eight to 12 switch settings from left  
to right as follows:  
When a switch is in the up position, write “Left.”  
When a switch is in the down position, write  
“Right.”  
If a switch is set between the up and down  
position, write “Middle.”  
The switch settings written down in Step 3 now  
become the button strokes to be entered into the  
Universal Home Remote in Step 5. Be sure to  
enter the switch settings written down in Step 3, in  
order from left to right, into the Universal Home  
Remote, when completing Step 5.  
4. From inside the vehicle, first firmly press all three  
buttons at the same time for about three seconds.  
Release the buttons to put the Universal Home  
Remote into programming mode.  
5. The indicator lights blink slowly. Enter each switch  
setting from Step 3 into the vehicle’s Universal Home  
Remote. You have two and one-half minutes to  
complete Step 5. Now press one button on the  
Universal Home Remote for each switch setting  
as follows:  
If you wrote “Left,” press the left button in the  
vehicle.  
If you wrote “Right,” press the right button in the  
vehicle.  
If you wrote “Middle,” press the middle button in  
the vehicle.  
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6. After entering all of the switch positions, again,  
firmly press and release all three buttons at the  
same time. The indicator lights turn on.  
Using Universal Home Remote  
Press and hold the appropriate button for at least  
half of a second. The indicator light comes on while  
the signal is being transmitted.  
7. Press and hold the button that will be used to  
control the garage door until the garage door  
moves. The indicator light above the selected  
button should slowly blink. This button may need  
to be held for up to 55 seconds.  
Operation can occur:  
If the vehicle is in accessory mode.  
If the vehicle is in running.  
8. Immediately release the button when the garage  
door moves. The indicator light blinks rapidly until  
programming is complete.  
If the vehicle is in Retained Accessory Mode (RAP).  
for more information.  
9. Press and release the same button again.  
The garage door should move, confirming  
that programming is successful and complete.  
Up to an additional 10 minutes after RAP finishes.  
Up to 10 minutes after any door is opened.  
To program another Fixed Code device such as an  
additional garage door opener, a security device,  
or home automation device, repeat Steps 1-9, choosing  
a different button in Step 7 than what was used for  
the garage door opener.  
Reprogramming Universal Home  
Remote Buttons  
Any of the three buttons can be reprogrammed by  
repeating the instructions.  
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Erasing Universal Home Remote  
Buttons  
Storage Areas  
Glove Box  
The programmed buttons should be erased when the  
vehicle is sold or the lease ends.  
Open the glove box by lifting up on the lever. Use the  
key to lock and unlock the lighted glove box.  
To erase either Rolling Code or Fixed Code on the  
Universal Home Remote device:  
1. Press and hold the two outside buttons at the  
same time for approximately 20 seconds, until  
the indicator lights, located directly above the  
buttons, begin to blink rapidly.  
Cupholders  
Two cupholders are located on the center console next  
to the shift lever. Slide the handle from the left to the  
right side to access the lid.  
2. Once the indicator lights begin to blink, release both  
buttons. The codes from all buttons are erased.  
Center Console Storage  
For help or information on the Universal Home Remote  
System, call the customer assistance phone number  
under Customer Assistance Offices on page 7-6.  
To use this storage area, pull the cover up on the driver  
side front edge of the console and swing it to the  
passenger side.  
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Floor Mats  
Rear Storage Area  
Two rear storage compartments are located in the floor  
of the rear hatch/trunk area.  
The floor mats are designed to remain in position and  
out of reach of the accelerator pedal. The driver side  
floor mat is held in place by two locator pins and the  
passenger side is held in place by one.  
Make sure that the driver side floor mat is properly  
placed on the floor so that it does not block the  
movement of the accelerator pedal.  
To remove a floor mat, pull  
up on the rear of the mat  
to disconnect it from the  
locator pins.  
Convertible shown, Coupe similar  
To access a storage compartment, pull up to open the  
cover. The covers cannot be removed.  
For Z06 models, the right rear compartment stores the  
battery and cannot be used for storage.  
For ZR1 models, do not use the right and left rear  
compartments as storage.  
To reinstall the floor mats, position the openings in the  
floor mat over the locator pins and push it down into  
place.  
Notice: Do not store heavy or sharp objects in the  
rear storage compartments located in the hatch/trunk  
area. The objects could damage the underbody.  
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Rear Trunk Partition  
For vehicles with the power convertible top option only,  
there is a trunk partition to keep cargo from getting in the  
way of the convertible top. The trunk partition must be in  
place for the convertible top to move. If the trunk partition  
is not properly in place the ATTACH TRUNK PARTITION  
Driver Information Center (DIC) message displays. See  
DIC Warnings and Messages on page 3-56 for more  
information.  
The trunk partition is a flat carpeted board with a  
horizontal flap that can be attached to the top of the  
trunk to divide the storage compartment or it stores flat  
when not in use.  
Pull the divider up and snap it onto the snaps on both  
sides of the trunk.  
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Using the Cargo Cover  
Convenience Net  
1. Hook the elastic loops  
on the front corners (A)  
of the shade to the  
T-nuts located on the  
front corners of the rear  
hatch frame.  
Use the convenience net, located in the rear, to store  
small loads as far forward as possible. The net  
should not be used to store heavy loads.  
Cargo Cover  
For vehicles with this feature, the security shade can  
provide hidden storage in the rear area of the vehicle.  
The shade is also helpful in blocking the glare from  
the removable roof when it is stored in the rear  
compartment.  
2. Hook the elastic loops on the rear corners (B) of the  
shade to the hooks recessed inside the rear hatch  
frame, near the rear corners.  
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4. Push the loop to the top  
of the striker (base  
plate).  
3. Grasp the loop at the rear center of the shade and  
wrap it around the striker assembly.  
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Notice: If you drop or rest a roof panel on its  
edges, the roof panel, paint and/or weatherstripping  
may be damaged. Always place the roof panel in  
the stowage receivers after removing it from  
the vehicle.  
Roof Panel  
On vehicles with a removable roof panel, follow the  
procedures when removing or installing it.  
1. Park on a level surface and set the parking brake.  
Shift an automatic transmission into P (Park). Shift  
a manual transmission into N (Neutral).  
Removing the Roof Panel  
2. Make sure the ignition is off.  
3. Lower both sun visors.  
{ CAUTION:  
4. Open the rear hatch and remove any items that  
may interfere with proper storage of the roof  
panel.  
Do not try to remove a roof panel while the vehicle  
is moving. Trying to remove the roof panel while  
the vehicle is moving could cause an accident.  
The panel could fall into the vehicle and cause  
you to lose control, or it could fly off and strike  
another vehicle. You or others could be injured.  
Remove the roof panel only when the vehicle is  
parked.  
5. Lower the windows.  
There are two release latches on the front of the  
roof panel and one rear release latch on the back of  
the roof panel.  
Until you are sure you can remove the panel alone,  
have someone help you.  
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The driver’s side handle moves toward the driver’s  
door. The passenger’s side handle moves toward  
the passenger’s door.  
6. To unlock the release latches on the front of the  
roof panel, grasp each handle and pull it outward.  
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7. To unlock the rear of  
the roof panel’s rear  
release latch, press the  
back of the release  
handle (B). Then press  
the button on the  
8. Stand on one side of the vehicle, and if necessary,  
have someone stand on the other side. Together,  
carefully lift the front edge of the roof panel up  
and forward.  
9. When the roof panel is loosened from the vehicle,  
one person should grasp the roof panel as close to  
the center as possible and lift it away from the  
vehicle.  
front of the release  
handle (A).  
Pull down the latch lever.  
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2. Insert the roof panel so  
that the outside front  
edges line up between  
the receiver covers.  
Storing the Roof Panel  
{ CAUTION:  
Push forward on the  
roof panel until it stops.  
If a roof panel is not stored properly, it could be  
thrown about the vehicle in a crash or sudden  
maneuver. People in the vehicle could be injured.  
Whenever you store a roof panel in the vehicle,  
always be sure that it is stored securely in the  
proper location.  
3. Gently place the roof  
panel down so that the  
back pins on the roof  
panel drop into the  
Notice: If you drop or rest a roof panel on its  
edges, the roof panel, paint and/or weatherstripping  
may be damaged. Always place the roof panel in  
the stowage receivers after removing it from  
the vehicle.  
receivers in the back of  
the storage area.  
1. Turn the roof panel so that the front edge of the  
panel is facing the storage area.  
Press down firmly to seat the pins in the receivers.  
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3. To remove the roof panel from the rear storage  
area of the vehicle, pull up on the rear edge and  
remove it from the storage area.  
Installing the Roof Panel  
4. Carefully place the roof panel over the top of the  
vehicle.  
{ CAUTION:  
5. Position the rear edge of the roof panel to the  
weatherstrip on the back of the roof opening.  
Then align and fit the pins at the rear of the roof  
panel inside the openings in the rear overhead  
weatherstrip. Gently lower the front edge of the  
roof panel to the front of the roof opening.  
An improperly attached roof panel may fall into or  
fly off the vehicle. You or others could be injured.  
After installing the roof panel, always check that it  
is firmly attached by pushing up on the underside  
of the panel. Check now and then to be sure the  
roof panel is firmly in place.  
6. Turn the front release  
handles inward so that  
they latch to the  
Notice: If you drop or rest a roof panel on its  
edges, the roof panel, paint and/or weatherstripping  
may be damaged. Always place the roof panel in  
the stowage receivers after removing it from  
the vehicle.  
closed position.  
In most cases, it makes it easier if two people install the  
roof panel.  
1. Park on a level surface and set the parking brake.  
Shift an automatic transmission into P (Park).  
Shift a manual transmission into N (Neutral).  
7. Push up on the handle of the rear roof release  
handle to latch its hook in the closed position.  
8. Push and pull the roof panel up and down and  
side-to-side to ensure the roof panel is securely  
installed.  
2. Check that the front release latches and the rear  
release latch on the vehicle’s roof opening are in  
their opened positions before attempting to  
install the roof panel.  
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The parts of the manual convertible top that are used  
when lowering and raising it are:  
Convertible Top  
Convertible Top (Manual)  
For care and cleaning of the convertible top, see  
Convertible Top on page 5-98 under “Service and  
Appearance Care”. High pressure car washes may  
cause water to enter the vehicle.  
If the vehicle has this feature, the following  
procedures explain the proper operation of the  
manual convertible top.  
A. Front Edge of the Convertible Top  
B. Rear Edge of the Convertible Top  
C. Tonneau Cover  
Notice: Leaving the convertible top down and  
exposing the interior of your vehicle to outdoor  
conditions may cause damage. Always close  
the convertible top if leaving your vehicle outdoors.  
2-62  
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Notice: Lowering the convertible top when there  
are objects in the storage area could damage  
it or break the glass rear window. Always verify that  
no objects are in the storage area before lowering  
the convertible top.  
Lowering the Manual Convertible Top  
1. Park on a level surface. Shift an automatic  
transmission into P (Park) and set the parking  
brake. Shift a manual transmission into N (Neutral)  
and set the parking brake.  
Notice: Lowering the top if it is damp, wet, or dirty  
can cause stains, mildew, and damage to the inside  
of your vehicle. Dry off the top before lowering it.  
2. Make sure the ignition is off.  
3. Make sure the trunk is closed.  
Notice: If you lower the top on your vehicle in cold  
weather (0°F/-18°C or lower), you may damage  
top components. Do not lower the top in cold  
weather.  
Notice: If you raise or lower the convertible top  
while the vehicle is in motion, you could damage the  
top or the top mechanism. The repairs would not  
be covered by your warranty. Always put an  
automatic transmission in (P) Park or a manual  
transmission in (N) Neutral before raising or  
lowering the convertible top.  
4. The convertible top front latch, located above the  
inside rearview mirror, must be unlocked. Pull the  
convertible top front latch down and turn it clockwise  
to unlock it.  
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5. Lift upward on the front edge (A) of the convertible  
top off of the windshield frame. Then lift upward on  
the rear edge (B) of the convertible top so it is  
vertical to the tonneau cover (C). The front edge (A)  
and rear edge (B) should be straight up.  
6. Tilt the driver’s seatback forward and press the  
tonneau cover release button located on the  
underside of the tonneau cover (C) behind the  
driver’s seat. Then raise the tonneau cover (C).  
If the tonneau cover does not release and  
three chimes are heard, check to make sure the  
trunk lid is closed. Also, the cover will not release  
if the vehicle alarm is armed.  
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After pressing the release button, the driver’s  
and passenger’s door glass should retract to the  
full-down position.  
If the vehicle has lost battery power, the tonneau  
cover (C) can still be opened using the manual  
release cable.  
The tonneau cover emergency manual release  
cable is located underneath the carpeting behind the  
passenger’s seat head restraint, on the underside  
forward edge of the tonneau cover. To access  
the cable, lift and pull back the carpeting. Also,  
see Hatch on page 2-14 for information on  
the emergency trunk release handle.  
Notice: If you lower the convertible top into the  
storage compartment and the rear edge of the top  
is not in the full-down position, you could damage  
the top. Always verify that the rear edge of the  
convertible top is in the full-down position before  
lowering the top into the storage compartment.  
7. Pull the cable to release the tonneau cover.  
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8. Push forward on the front edge (A) of the  
convertible top to allow the rear edge (B) of the  
convertible top to be moved to its full-down position.  
9. Then move the top rearward to its fully-stored  
position.  
10. After the top is stored, apply one even push on the  
center of the front edge (A) of the convertible top to  
assure that the top is fully retracted.  
11. Close the tonneau cover (B) by pressing down on it  
with a swift, firm motion.  
2-66  
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Raising the Manual Convertible Top  
1. Park on a level surface. Shift an automatic  
transmission into P (Park) and set the parking  
brake. Shift a manual transmission into N (Neutral)  
and set the parking brake.  
2. Lower both windows.  
3. Make sure the ignition is off.  
4. Tilt the driver’s seat forward and press the tonneau  
cover release button, or use the manual release  
cable if battery power has been lost. See Step 6  
under “Lowering the Manual Convertible Top” earlier  
in this section.  
After pressing the release button, the driver’s  
and passenger’s door glass should retract to  
the full-down position, if they have not already  
been lowered.  
6. Pull the convertible top up by firmly gripping the  
front edge (A) near the center and applying a  
brisk upward and forward motion to get the top in  
the full-up position.  
5. Lift the tonneau cover.  
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10. Push the front edge (A) of the convertible top down  
from the outside of the vehicle, or pull the front  
edge (A) of the convertible top down from the center  
pull-down handle located in the inside of the vehicle.  
7. Lift the rear edge (B) of the convertible top to its  
full-up position by first raising the front edge (A).  
8. Close the tonneau cover (C) by pushing it down  
with a swift, firm motion.  
11. Pull the top front latch handle down and turn it  
counterclockwise to lock the convertible top.  
9. Lower the rear edge (B) of the convertible top by  
first slightly pushing the front edge (A) of the  
convertible top forward.  
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Notice: If you lower the top on your vehicle in cold  
weather (0°F/-18°C or lower), you may damage top  
components. Do not lower the top in cold weather.  
Convertible Top (Power)  
For care and cleaning of the convertible top see  
Convertible Top on page 5-98 under “Service and  
Appearance Care”. High pressure car washes may  
cause water to enter the vehicle.  
Notice: If you raise or lower the convertible top  
while the vehicle is in motion, you could damage the  
top or the top mechanism. The repairs would not  
be covered by your warranty. Always put an  
automatic transmission in (P) Park or a manual  
transmission in (N) Neutral before raising or  
lowering the convertible top.  
To operate the power convertible top use the following  
steps.  
Notice: Leaving the convertible top down and  
exposing the interior of your vehicle to outdoor  
conditions may cause damage. Always close  
the convertible top if leaving your vehicle outdoors.  
Lowering the Power Convertible Top  
1. Park on a level surface. Start the engine. Shift an  
automatic transmission into P (Park) and set the  
parking brake. Shift a manual transmission  
into N (Neutral), and set the parking brake.  
Notice: Lowering the convertible top when there  
are objects in the storage area could damage  
it or break the glass rear window. Always verify that  
no objects are in the storage area before lowering  
the convertible top.  
2. Make sure the trunk is closed and the rear trunk  
partition in the rear storage area is in the fastened  
upright position, and that no objects are forward  
of the divider. See “Rear Trunk Partition” under  
Rear Storage Area on page 2-53.  
Notice: Lowering the top if it is damp, wet, or dirty  
can cause stains, mildew, and damage to the inside  
of your vehicle. Dry off the top before lowering it.  
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4. Push and hold the  
bottom of the power  
convertible top button,  
located to the left of the  
steering wheel, on the  
instrument panel.  
The windows will automatically lower and the convertible  
top will lower into the rear of the vehicle. A chime will  
sound when the convertible top has lowered completely.  
If the radio is on the sound may be muted for a brief time  
due to a new audio system equalization being loaded.  
3. Release the convertible top front latch, located  
above the inside rearview mirror, by pulling and  
turning it clockwise toward the driver’s door. Push  
upward on the front edge. The windows will  
automatically lower.  
If the convertible top is operated multiple times, the  
engine should be running to prevent drain on the  
vehicle’s battery. Under certain conditions, the Driver  
Information Center (DIC) may display a message  
regarding the power convertible top. See DIC Warnings  
and Messages on page 3-56 for more information.  
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2. Make sure the trunk lid is closed and the rear trunk  
partition in the rear storage area is in the fastened  
upright position, and that no objects are forward  
of the divider. See “Rear Trunk Partition” under  
Rear Storage Area on page 2-53.  
Raising the Power Convertible Top  
Notice: If you raise or lower the convertible top  
while the vehicle is in motion, you could damage the  
top or the top mechanism. The repairs would not  
be covered by your warranty. Always put an  
automatic transmission in (P) Park or a manual  
transmission in (N) Neutral before raising or  
lowering the convertible top.  
3. Push and hold the top of the power convertible top  
button. The top will raise and the windows will lower  
if they were in the raised position. A chime will  
sound when the top is raised completely.  
1. Park on a level surface. Start the engine. Shift an  
automatic transmission into P (Park) and set the  
parking brake. Shift a manual transmission  
into N (Neutral) and set the parking brake.  
4. After the convertible top is completely raised,  
release the power convertible top button.  
5. Pull the convertible front top latch down and turn it  
counterclockwise to lock the convertible top.  
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completely stowed, with the top down and the tonneau  
latched, or closed, with the front top latch locked in place,  
at the time the convertible top button was released.  
If the radio is on the sound may be muted for a brief  
time due to a new audio system equalization being  
loaded.  
1. Open the tonneau cover by pulling the emergency  
release cable.  
If the vehicle has lost power, the convertible top can still  
be raised by releasing pressure on the hydraulic pump,  
located under the passenger’s side of the tonneau cover,  
by using the following steps. The carpet liner on the  
passenger’s side must be pulled back to access the  
hydraulic pump.  
The tonneau cover emergency release cable is  
located behind the passenger’s seat head restraint,  
on the underside forward edge of the tonneau  
cover. Also, see Hatch on page 2-14 for information  
on the emergency trunk release handle.  
Be careful when opening the tonneau cover by hand.  
If the tonneau cover is opened quickly, damage can  
occur to the hinging mechanism, which can prevent  
proper operation of the convertible top.  
Manual operation of the power convertible top cannot  
be attempted for five minutes from the last time the  
convertible top button was pressed if the top is not  
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When power is restored to the vehicle, the hydraulic bolt  
must be tightened, by turning it clockwise. The power  
convertible top button can then be used to lower or raise  
the convertible top.  
If the power convertible top is operated multiple times,  
the engine should be running to prevent drain on the  
vehicle’s battery. Under certain conditions, the Driver  
Information Center (DIC) may display a message  
regarding the power top. See DIC Warnings and  
Messages on page 3-56 for more information.  
If the battery has been disconnected, the power  
windows must be initialized for the power top to operate.  
See Power Windows on page 2-17 for more information.  
2. Locate the pressure release bolt on the front side of  
the hydraulic pump.  
3. Use the wrench, located in the console, and turn  
the pressure release bolt counterclockwise one  
revolution, to relieve pressure to the hydraulic  
pump. This will allow you to manually raise the  
convertible top.  
4. Then follow the steps under raising the manual  
convertible top. See “Convertible Top (Manual)”  
under Convertible Top (Manual) on page 2-62  
or Convertible Top (Power) on page 2-69  
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NOTES  
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Section 3  
Instrument Panel  
Twilight Sentinel® ..........................................3-17  
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NOTES  
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Instrument Panel Overview  
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The main components of the instrument panel are the following:  
A. Outlet Adjustment on page 3-30.  
O. Bluetooth® on page 3-97 (If Equipped). Audio  
Steering Wheel Controls on page 3-108  
(If Equipped).  
B. Head-Up Display (HUD) on page 3-20 (If Equipped).  
Cruise Control on page 3-10. Fog Lamps on  
page 3-17. Exterior Lamps on page 3-14.  
P. Tilt Wheel on page 3-6.  
Q. Horn on page 3-6.  
D. Manual Shift Paddles (If Equipped). See Automatic  
Transmission Operation on page 2-26.  
R. Telescopic Wheel Button (If Equipped).  
See Tilt Wheel on page 3-6.  
F. Instrument Panel Cluster on page 3-33.  
S. Ignition Positions on page 2-23.  
T. Heated Seats on page 1-4 (If Equipped).  
Washer on page 3-10.  
U. Shift Lever (Automatic Shown). See Automatic  
Transmission Operation on page 2-30.  
H. DIC Operation and Displays on page 3-50.  
I. Hazard Warning Flashers on page 3-6.  
J. Audio System(s) on page 3-82.  
V. Active Handling System on page 4-7.  
W. Accessory Power Outlet(s) on page 3-24.  
X. Selective Ride Control on page 4-9.  
Y. Cupholders on page 2-52.  
page 3-25.  
L. Fuel Door Release Button. See Filling the Tank on  
page 5-8. Hatch/Trunk Release Button. See “Hatch/  
Trunk Lid Release” under Hatch on page 2-14.  
AA. Parking Brake on page 2-32.  
AB. Glove Box on page 2-52.  
M. Instrument Panel Brightness on page 3-19.  
AC. Instrument Panel Fuse Block on page 5-103.  
N. Power Folding Top Switch (If Equipped).  
See Convertible Top (Manual) on page 2-62  
or Convertible Top (Power) on page 2-69.  
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The lever that allows you to tilt the steering wheel is  
located on the left side of the steering column.  
Hazard Warning Flashers  
The hazard warning flashers warns others that you have  
a problem. The button is located near the center of  
the instrument panel.  
| : Press to make the front and rear turn signal lamps  
flash on and off. Press again to turn the flashers off.  
The hazard warning flashers work no matter what mode  
the ignition is in, even if the ignition is turned off.  
When the hazard warning flashers are on, the turn  
signals will not work.  
Horn  
Press near or on the horn symbols on the steering  
wheel pad to sound the horn.  
To tilt the wheel, hold the steering wheel and pull the  
lever toward you. Then move the wheel to a comfortable  
position and release the lever to lock the wheel in place.  
Tilt Wheel  
A tilt wheel allows you to adjust the steering wheel  
before you drive. You can raise it to the highest level  
to give your legs more room when you exit and enter  
the vehicle.  
3-6  
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Telescopic Steering Column  
Turn Signal/Multifunction Lever  
If your vehicle has this feature, the telescopic steering  
column will allow you to adjust the distance the steering  
wheel is from the instrument panel.  
The telescopic steering  
column switch is located on  
the right side of the steering  
column.  
The lever on the left side of the steering column  
includes the following:  
G : Turn and Lane-Change Signals  
3 : Headlamp High/Low-Beam Changer  
# : Fog Lamps  
To operate the telescopic steering column, push the  
switch forward and the wheel will move away from you.  
Pull the switch rearward and the wheel will move  
toward you  
I : Cruise Control  
The telescopic steering column position can be stored  
with your memory settings. See Memory Seat, Mirrors  
and Steering Wheel on page 1-4 for more information.  
P : Exterior Lamps Control  
Flash-to-Pass Feature. See Flash-to-Pass on  
page 3-8.  
Information for these features is on the pages following.  
3-7  
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Turn Signal on Chime  
Turn and Lane-Change Signals  
(Auto Signal)  
A chime sounds if the turn signal has been on for more  
than three-quarters of a mile (1.2 km) of driving.  
An arrow on the instrument  
If you need to leave the turn signal on for more than  
three-quarters of a mile (1.2 km), turn off the signal and  
then turn it back on.  
panel cluster flashes in the  
direction of the turn or  
lane change.  
Headlamp High/Low-Beam Changer  
To change the headlamps from low beam to high,  
push the turn signal lever all the way forward. To change  
from high to low beam, pull the lever rearward.  
Move the lever all the way up or down to signal  
a turn.  
While the high beams  
are on, this light on the  
instrument panel cluster  
will also be lit.  
Raise or lower the lever until the arrow starts to flash  
to signal a lane change. Release the lever and the  
turn signal automatically flashes three times. If more  
flashes are desired, continue to hold the lever.  
The lever returns to its starting position when it is  
released.  
If after signaling a turn or lane change the arrows flash  
rapidly or do not come on, a signal bulb may be  
burned out.  
Flash-to-Pass  
To use the flash-to-pass feature, briefly pull the turn  
signal lever toward you. The high-beam indicator flashes  
to indicate to the other driver that you intend to pass.  
If the low-beam headlamps are off and the fog lamps  
are on, the fog lamps flash.  
Have the bulbs replaced. If the bulb is not burned out,  
check the fuse. See Fuses and Circuit Breakers on  
page 5-103.  
3-8  
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x (Delay Adjustment): Use for a delayed wiping  
cycle. Turn the intermittent adjust band down for a longer  
delay or up for a shorter delay. The wiper speed can only  
be manually adjusted when the lever is in this position.  
Windshield Wipers  
9 (Off): Turns off the windshield wipers.  
8 (Mist): Move all the way down to mist and release  
for a single wiping cycle. The windshield wipers will  
stop after one wipe. Hold the band on mist longer for  
more wipes.  
The windshield wiper lever is located on the right side of  
the steering column.  
Heavy snow or ice can overload the wipers. If this  
occurs, a circuit breaker will stop the wipers until the  
motor cools. Clear all ice and snow from the windshield  
wiper blades before using them. If the wiper blades  
are frozen to the windshield, carefully loosen them  
or warm the windshield before turning the wipers on.  
If they become worn or damaged, get new blades  
or blade inserts.  
Move the lever to the following positions:  
1 (High Speed): For steady wiping at high speed.  
6 (Low Speed): For steady wiping at low speed.  
& (Delay): Use to set a delay between wipes.  
3-9  
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Windshield Washer  
Cruise Control  
The lever on the right side of the steering column also  
controls the windshield washer. There is a button at the  
end of the lever. To spray washer fluid on the windshield,  
press the button and hold it. The washer will spray until  
you release the button. The wipers will continue to clear  
the window for about six seconds after the button is  
released and then stop or return to your preset speed.  
With cruise control, a speed of about 25 mph (40 km/h)  
or more can be maintained without keeping your foot  
on the accelerator. Cruise control does not work  
at speeds below about 25 mph (40 km/h).  
Cruise control will not work if the parking brake is set,  
or if the master cylinder brake fluid level is low.  
{ CAUTION:  
{ CAUTION:  
Cruise control can be dangerous where you cannot  
drive safely at a steady speed. So, do not use the  
cruise control on winding roads or in heavy traffic.  
In freezing weather, do not use your washer until  
the windshield is warmed. Otherwise the washer  
fluid can form ice on the windshield, blocking your  
vision.  
Cruise control can be dangerous on slippery roads.  
On such roads, fast changes in tire traction can  
cause excessive wheel slip, and you could lose  
control. Do not use cruise control on slippery roads.  
If the fluid in the windshield washer fluid reservoir is low,  
the message CHECK WASHER FLUID will appear on  
the Driver Information Center (DIC) display. It will take  
15 seconds after the bottle is refilled for this message to  
turn off. For information on the correct washer fluid to  
use, see Windshield Washer Fluid on page 5-42 and  
If the vehicle is in cruise control, and has the Traction  
Control System (TCS), and it begins to limit wheel spin,  
the cruise control automatically disengages. See Traction  
Control System (TCS) on page 4-6. When road  
conditions allow the cruise control to be safely  
used again, it can be turned back on.  
3-10  
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The vehicle has cruise  
control.  
Setting Cruise Control  
{ CAUTION:  
If you leave your cruise control on when you are  
not using cruise, you might hit a button and go into  
cruise when you do not want to. You could be  
startled and even lose control. Keep the cruise  
control switch off until you want to use cruise  
control.  
9 (Off): Turns the system off.  
1. Move the cruise control switch to on.  
2. Get up to the speed desired.  
R (On): Turns the system on.  
+ (Resume/Accelerate): Use to make the vehicle  
accelerate or resume a previously set speed.  
3. Press T at the end of the lever and release it.  
4. Take your foot off the accelerator pedal.  
T (Set): Press this button at the end of the lever to  
When the cruise control is engaged, the CRUISE SET  
TO XX MPH message displays on the Driver Information  
Center (DIC). See Other Messages on page 3-72.  
set the speed.  
3-11  
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Resuming a Set Speed  
Increasing Speed While Using Cruise  
Control  
If the cruise control is set at a desired speed and then  
the brakes are applied, the cruise control is disengaged.  
But it does not need to be reset.  
There are two ways to go to a higher speed:  
Use the accelerator pedal to get to the higher  
Once the vehicle is going about 25 mph (40 km/h) or  
more, you can move the cruise control switch briefly  
from R to S .  
The vehicles goes back up to your chosen speed and  
stays there.  
speed. Press J at the end of the lever, then  
release the button and the accelerator pedal.  
The vehicle now cruises at the higher speed.  
If the accelerator pedal is held longer than  
60 seconds, cruise control will turn off.  
Move the cruise switch from R to S . Hold it there  
until desired speed is reached, and then release  
the switch. To increase the vehicle speed in small  
If the switch is held at resume/accelerate the vehicle  
keeps going faster until the switch is released or the  
brake is applied. Do not hold the switch at resume/  
accelerate, unless you want the vehicle to go faster.  
amounts, move the switch briefly to S . Each  
time this is done, the vehicle goes about 1 mph  
(1.6 km/h) faster.  
Reducing Speed While Using Cruise  
Control  
Press and hold the set button until the lower speed  
desired is reached, then release it.  
To slow down in small amounts, briefly press J .  
Each time this is done, the vehicle goes about  
1 mph (1.6 km/h) slower.  
3-12  
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Passing Another Vehicle While Using  
Cruise Control  
Cruise Control in Sport and Manual Paddle  
Shift Gear Selection  
Use the accelerator pedal to increase the vehicle’s  
speed. When you take your foot off the pedal, the  
vehicle slows down to the cruise control speed set  
earlier.  
When the vehicle is in S (Sport) and the manual paddle  
shift controls are not being used, cruise control  
operates in the same manner as D (Drive).  
When the vehicle is in S (Sport) and the manual paddle  
shift controls are being used, cruise control operates  
as follows:  
Using Cruise Control on Hills  
How well the cruise control works on hills depends upon  
the vehicle’s speed, load, and the steepness of the hills.  
When going up steep hills, you might want to step on the  
accelerator pedal to maintain the vehicle’s speed. When  
going downhill, you might have to brake or shift to a lower  
gear to keep the vehicle’s speed down. When the brakes  
are applied the cruise control turns off.  
If cruise control is active and a gear is selected with  
the manual paddle shift controls, the vehicle speed  
is maintained in the driver selected gear and will not  
automatically up-shift or down-shift the transmission  
while the driver’s gear selection is active.  
If driving in hilly terrain, cruise control may not  
be able to maintain vehicle speed if an up-shift  
or down-shift is not selected by the driver. While  
driving on hilly terrain and cruise control is active  
with a manual paddle shift gear selection, the driver  
must select the proper gear for the terrain or select  
D (Drive) on the gear range selector for full automatic  
transmission operation.  
3-13  
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Ending Cruise Control  
Exterior Lamps  
To end a cruise control session, step lightly on the  
brake pedal. If the vehicle has a manual transmission,  
lightly tapping the clutch will also end a cruise control  
session.  
Move the cruise control switch to 9 to turn the system  
completely off.  
When cruise control is disengaged, the CRUISE  
DISENGAGED message displays on the Driver  
Information Center (DIC). See DIC Warnings and  
Messages on page 3-56.  
The exterior lamp control is located to the left of the  
steering wheel on the multifunction lever.  
Erasing Speed Memory  
O (Exterior Lamp Control): Turn the band with this  
The cruise control set speed memory is erased when  
the cruise control or the ignition is turned off.  
symbol on it to operate the exterior lamps.  
The exterior lamp band has four positions:  
O (Off): Turns off all lamps.  
3-14  
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AUTO (Automatic): Sets the exterior lamps to  
automatic mode. AUTO mode turns the exterior lamps  
on and off depending on how much light is available  
outside the vehicle.  
Wiper Activated Headlamps  
This feature activates the headlamps and parking  
lamps after the windshield wipers have been in use for  
approximately 15 seconds and deactivates and returns to  
ambient lighting conditions 15 seconds after the wipers  
are turned off.  
To override AUTO mode, turn the control to off.  
To reset to AUTO mode turn the control to exterior  
lamps and then back to AUTO. Automatic mode also  
resets when the vehicle is turned off and then back  
on again if the control is left in the AUTO position.  
If the exterior lamp control has been turned off or is  
in the parking lamp position while the wiper control is  
active in any position, the HEADLAMPS SUGGESTED  
message appears on the Driver Information Center (DIC).  
See DIC Warnings and Messages on page 3-56.  
; (Parking Lamp): Turns on the parking lamps  
together with the following:  
When the ignition is turned off, the wiper-activated  
headlamps will immediately turn off.  
Sidemarker Lamps  
Taillamps  
Headlamps on Reminder  
License Plate Lamps  
Instrument Panel Lights  
A warning chime will sound if the exterior lamp control  
is left on in either the headlamp or parking lamp position  
and the driver’s door is opened with the ignition off.  
The parking brake indicator light comes on and stays  
on when the parking lamps are on with the engine  
off and the ignition to ACC/ACCESSORY.  
5 (Headlamps): Turns on the headlamps, together  
with the previously listed lamps and lights.  
3-15  
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vehicle leaves the garage, it takes approximately  
one minute for the automatic headlamp system to  
change to DRL if it is light outside. During that delay, the  
instrument panel cluster may not be as bright as usual.  
Make sure the instrument panel brightness knob is in the  
full bright position. See Instrument Panel Brightness on  
page 3-19 for more information.  
Daytime Running Lamps (DRL)  
Daytime Running Lamps (DRL) can make it easier for  
others to see the front of your vehicle during the day.  
Fully functional daytime running lamps are required  
on all vehicles first sold in Canada.  
The DRL system makes the front turn signal lamps  
come on when the following conditions are met:  
If it is dark enough outside and the exterior lamp control  
is off, a HEADLAMPS SUGGESTED message will  
display on the Driver’s Information Center (DIC).  
See DIC Warnings and Messages on page 3-56.  
It is still daylight and the ignition is on.  
The exterior lamp control is in the AUTO position.  
Turning the exterior lamp control to off a second  
time, or turning on the headlamps will remove the  
HEADLAMPS SUGGESTED message in the DIC.  
If the parking lamps or the fog lamps were turned on  
instead, the HEADLAMPS SUGGESTED message  
will continue to be displayed.  
The transmission is not in P (Park) or the parking  
brake is off.  
The parking brake is off or the vehicle speed is  
greater than 8 mph (13 km/h).  
When DRL are on, only the front turn signal lamps will  
be on. The parking lamps, taillamps, instrument panel  
lights, or other exterior lamps will not be on when the  
DRL are being used.  
The regular headlamp system should be turned on  
when needed.  
To turn off the DRL, turn the exterior lamp control to  
the off position or shift into P (Park). The DRL will stay off  
until the control is toggled again or the vehicle is shifted  
out of P (Park).  
When it is dark enough outside, the front turn signal  
lamps turn off and the normal low-beam headlamps  
turn on.  
When it is bright enough outside, the regular lamps  
go off, and the front turn signal lamps will take over.  
If the vehicle is started in a dark garage, the automatic  
headlamp system comes on immediately. Once the  
This procedure applies only to vehicles first sold in the  
United States.  
3-16  
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Fog Lamps  
Twilight Sentinel®  
Twilight Sentinel® can turn the lamps on and off for you.  
A light sensor on top of the instrument panel makes  
the Twilight Sentinel® work, so be sure it is not covered.  
Use fog lamps for better vision in foggy or misty  
conditions.  
The fog lamps control is located on the multifunction  
lever next to the exterior lamp control.  
With Twilight Sentinel®, the following will happen:  
When it is dark enough outside, the front turn signal  
lamps (DRL) will go off, and the headlamps and  
parking lamps will come on. The other lamps that  
come on with headlamps will also come on.  
# (Fog Lamps): Turning the band to this position will  
turn the fog lamps on.  
When you turn the fog lamps on, the fog lamp light will  
appear on the instrument panel cluster to indicate that the  
fog lamps and the parking lamps are on.  
When it is bright enough outside, the headlamps  
will go off, and the front turn signal lamps (DRL) will  
come on, as long as the exterior lamp switch is in the  
AUTO position.  
If you turn the high-beam headlamps on, the fog lamps  
will turn off. They will turn on again when you switch  
to low-beam headlamps.  
If the vehicle is started in a dark garage, the automatic  
headlamp system come on immediately. Once the  
vehicle leaves the garage, it takes about one minute  
for the automatic headlamp system to change to DRL  
if it is light outside. During that delay, the instrument  
panel cluster may not be as bright as usual. Make sure  
the instrument panel brightness control is in full bright  
position. See Instrument Panel Brightness on page 3-19.  
The ignition must be on for the fog lamps to operate.  
Some localities have laws that require the headlamps to  
be on along with the fog lamps.  
3-17  
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You can idle the vehicle with the lamps off, even when  
it is dark outside.  
If you turn off the ignition with the exterior lamp switch  
in the parking lamp or headlamp position, the Twilight  
Sentinel® delay will not occur. The lamps will turn off  
as soon as the switch is turned off.  
After starting the vehicle, turn the exterior lamp  
control band on the multifunction lever to off and then  
release it. The lamps will remain off until the control  
band is turned to off again.  
The regular headlamp system should be turned on  
when needed.  
Twilight Sentinel® also provides exterior illumination as  
you leave the vehicle. If Twilight Sentinel® has turned  
on the lamps when you turn off the ignition, the  
lamps will remain on until:  
Exterior Lighting Battery Saver  
If the manual parking lamps or headlamps have been  
left on, the exterior lamps will turn off as soon as the  
ignition is turned off or Retained Accessory Power (RAP)  
is active. This protects against draining the battery  
in case you have accidentally left the headlamps or  
parking lamps on. The battery saver does not work  
if the headlamps are turned on after the ignition switch  
is turned to off.  
The exterior lamp switch is moved from off to the  
parking lamp position, or  
A delay time that you select has elapsed.  
See “Personal Options” under DIC Vehicle  
Personalization on page 3-73 to select the delay time  
that you want. You can also select no delay time.  
If you need to leave the lamps on, use the exterior lamp  
control to turn the lamps back on.  
3-18  
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Instrument Panel Brightness  
Entry/Exit Lighting  
With entry lighting, the interior lamps will come on when  
entering the vehicle. The interior lamps will come on  
for about 20 seconds when the engine is off.  
The knob for this feature is  
located on the left side of  
the instrument panel.  
You can turn exit and entry lighting off by quickly turning  
the courtesy lamps on and off.  
Reading Lamps  
The inside rearview mirror includes two reading lamps.  
The lamps will go on when a door is opened. When the  
doors are closed, press each lamp switch to turn them  
on individually.  
Push the knob in to turn on the interior lights.  
Turn and hold the knob clockwise to brighten the lights  
or counterclockwise to dim them. During the day, this  
knob will adjust the instrument panel brightness and  
at night will adjust all interior lighting.  
Battery Run-Down Protection  
Be sure not to have this knob turned all the way  
down with the lamps on during the day. Your Driver  
Information Center (DIC) may not be visible.  
This vehicle has a feature to help prevent the battery  
from being drained in case any of the following lamps  
are left on; the underhood lamp, if your vehicle has this  
feature, vanity mirror lamps, cargo lamps, reading lamps,  
console or glove box lamps. If any of these lamps  
are left on, they will automatically time-out after about  
10 minutes. To reset it, all of the above lamps must  
be turned off or the ignition key on.  
Courtesy Lamps  
When any door or the hatch/trunk lid is opened, the  
interior lamps will go on unless it is bright outside.  
You can also turn the courtesy lamps on and off  
by pressing the instrument panel brightness knob.  
3-19  
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Shift Light  
Head-Up Display (HUD)  
This light is used for performance driving to indicate  
that the vehicle’s best performance level has been  
reached to shift the transmission into the next higher  
gear. An arrow pointing up will light up on the display  
just prior to reaching the engine fuel cut-off mode.  
This cut-off is about 6,500 RPM for the LS3 engine,  
6,600 RPM for the LS9 & ZR1 engines and  
{ CAUTION:  
If the HUD image is too bright, or too high in your  
field of view, it may take you more time to see  
things you need to see when it is dark outside.  
Be sure to keep the HUD image dim and placed  
low in your field of view.  
7,000 RPM for the LS7 engine.  
Check Gages Warning  
Engine Coolant Temperature Gage  
For vehicles with the Head-Up Display (HUD), you can  
see some of the driver information that appears on  
the instrument panel cluster.  
Transmission Fluid Temperature Gage, (Automatic  
Transmission Vehicles Only)  
Engine Oil Temperature Gage  
Engine Oil Pressure Gage  
G-Force Gage  
The information may be displayed in English or metric  
units and appears as an image focused out toward  
the front of the vehicle. The HUD consists of the  
following information:  
Boost Gage (If Equipped)  
Audio Functions, Street Mode Only  
Speedometer  
Turn Signal Indicators  
High-Beam Indicator Symbol  
Tachometer  
Navigation, Only with Navigation Radio,  
Turn-by-Turn Guidance  
Manual Paddle Shift Gear Indicator (If Equipped)  
These displays on the HUD are for use when  
using the manual paddle shift controls to shift the  
transmission. See “Manual Paddle Shift” in Automatic  
Transmission Operation on page 2-26.  
3-20  
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There are three HUD modes that can be viewed in  
the HUD display. Press the MODE button to scroll  
through these modes in the following order:  
When the desired HUD display has been selected,  
release the MODE button.  
Within each mode, the display, can be further  
customized by pressing the PAGE button. Pressing this  
button in each mode will turn off and on the following:  
Street Mode supports  
audio and navigation  
functions with your choice  
of tachometer settings.  
Street Mode — No tachometer, circular tachometer,  
and linear tachometer.  
Track Modes 1 and 2 — No minor gage, coolant  
temperature, transmission oil temperature, engine oil  
temperature, engine oil pressure, and boost gage.  
While in Track Mode 1 or 2, the maximum G value  
achieved during the current ignition cycle can be  
displayed by pressing and holding the PAGE button.  
The maximum G display will be shown until the PAGE  
button is released. The maximum G value display will  
be identical to the normal G value display, except the  
maximum G gage digits (X.XX G) and corresponding  
G gage bar will overwrite the current G value.  
Track Mode 1 supports the  
G-Force gage and minor  
gages with a circular  
tachometer.  
Track Mode 2 supports  
G-Force gages, boost  
gage w/ZR1, and minor  
gages with a linear  
tachometer.  
3-21  
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The HUD controls are  
located to the left of the  
steering wheel.  
Be sure to continue scanning the displays, controls  
and driving environment just as you would in a vehicle  
without HUD. If you never look at the instrument panel  
cluster, you may miss something important, such as a  
warning light. Under important warning conditions, the  
CHECK GAGES warning will illuminate in the HUD.  
View your Driver Information Center (DIC) for more  
information.  
To adjust the HUD so it can be seen properly, do the  
following:  
1. Start the engine and press the HUD dimmer control  
all the way up by pressing the (+) button.  
The brightness of the HUD image is determined  
by the light conditions in the direction the vehicle is  
facing and where you have the HUD dimmer control  
set. If you are facing a dark object or a heavily  
shaded area, the HUD may anticipate that you  
are entering a dark area and may begin to dim.  
It is possible for sunlight to enter the HUD making  
it difficult to see the image. The display will return  
to normal when the sunlight is no longer entering  
the HUD.  
3-22  
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2. Adjust the seat to a comfortable driving position.  
If your seat position changes, the HUD may need  
to be re-adjusted.  
Clean the inside of the windshield as needed to remove  
any dirt or film that reduces the sharpness or clarity  
of the HUD image.  
3. Press the up or down arrows to center the HUD  
image in your view.  
To clean the HUD, spray household glass cleaner on a  
soft, clean cloth. Wipe the HUD lens gently, then dry  
it. Do not spray cleaner directly on the lens because  
the cleaner could leak into the unit.  
The HUD image can only be adjusted up and down,  
not side-to-side.  
If the ignition is on and the HUD image cannot be seen,  
check to see if:  
4. Press the dimmer control downward until the HUD  
image is no brighter than necessary.  
Something is covering the HUD unit.  
To turn HUD off, press and hold the (–) button until the  
HUD display turns off.  
The HUD dimmer control is adjusted properly.  
The HUD image is adjusted to the proper height.  
If the sun comes out or it becomes cloudy, the HUD  
brightness may need to be adjusted again using  
the dimmer control. Polarized sunglasses could  
make the HUD image harder to see.  
Ambient light is low, in the direction the vehicle  
is facing.  
A fuse is blown. See Fuses and Circuit Breakers on  
page 5-103.  
The HUD information can be displayed in one of  
six languages including English, Spanish, French,  
German, Italian or Japanese. The speedometer can  
be displayed in either English or Metric units.  
Keep in mind that the windshield is part of the HUD  
system. See Windshield Replacement on page 5-59.  
To change the language and unit selections, see  
“OPTION” under DIC Operation and Displays on  
page 3-50.  
3-23  
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Notice: Adding any electrical equipment to the  
vehicle can damage it or keep other components  
from working as they should. The repairs would  
not be covered by the vehicle warranty. Do not use  
equipment exceeding maximum amperage rating  
of 20 amperes. Check with your dealer/retailer before  
adding electrical equipment.  
Accessory Power Outlet(s)  
The accessory power outlet can be used to connect  
electrical equipment, such as a cellular phone.  
The accessory power outlet is located inside the center  
console storage compartment, on the forward left side.  
To use the outlet, remove the tethered cap. When not  
using it, always cover the outlet with the protective cap.  
When adding electrical equipment, be sure to follow the  
installation instructions included with the equipment.  
Notice: Leaving electrical equipment plugged in  
for an extended period of time while the vehicle is  
off will drain the battery. Power is always supplied  
to the outlets. Always unplug electrical equipment  
when not in use and do not plug in equipment  
that exceeds the maximum 20 ampere rating.  
We recommend that you see a qualified technician or  
your dealer/retailer for the proper installation of your  
equipment.  
Notice: Improper use of the power outlet can cause  
damage not covered by the warranty. Do not hang  
any type of accessory or accessory bracket from the  
plug because the power outlets are designed for  
accessory power plugs only.  
Certain electrical accessories may not be compatible  
with the accessory power outlet and could result in blown  
vehicle or adapter fuses. If you experience a problem,  
see your dealer/retailer for additional information on  
accessory power outlets.  
3-24  
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Ashtray(s) and Cigarette Lighter  
Climate Controls  
The ashtray and cigarette lighter are located on the  
instrument panel, in front of the shift lever. To use the  
ashtray, press on the indentation at the top of the door.  
Dual Automatic Climate Control  
System  
Notice: If papers, pins, or other flammable items  
are put in the ashtray, hot cigarettes or other  
smoking materials could ignite them and possibly  
damage the vehicle. Never put flammable items  
in the ashtray.  
With this system the heating, cooling, and ventilation  
can be controlled.  
Loose objects, such as paper clips, can lodge behind  
and beneath the ashtray lid and prevent movement  
of the lid. You should avoid putting small, loose objects  
near the ashtray.  
To use the cigarette lighter, push it in all the way and let  
go. When it is ready, it will pop back out by itself.  
Notice: Holding a cigarette lighter in while it is  
heating does not let the lighter back away from  
the heating element when it is hot. Damage from  
overheating can occur to the lighter or heating  
element, or a fuse could be blown. Do not hold  
a cigarette lighter in while it is heating.  
A. Driver Temperature  
Controls  
B. Display  
F. Air Conditioning  
G. Fan Control  
H. Air Delivery Mode  
Control  
C. Passenger  
Temperature Control I. Defrost  
D. AUTO J. Rear Window  
E. Recirculation Defogger  
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When the vehicle is first started, the display shows the  
driver’s temperature setting, the outside temperature,  
the fan speed and the air delivery, for about 10 seconds.  
The AUTO control system works best with the windows  
up and the removable roof installed or the convertible  
top up.  
1. Press the AUTO button.  
The outside temperature is shown in the center of  
the display. The digital display will show the readings  
in Fahrenheit or Celsius. See “Personal Options”  
under DIC Vehicle Personalization on page 3-73  
for information on changing your display.  
2. Adjust the temperature to a comfortable setting  
between 60°F (16°C) and 90°F (32°C). Choosing  
the coldest or warmest temperature setting will  
not cause the system to heat or cool any faster.  
A setting of 73°F (23°C) is suggested.  
Automatic Operation  
In cold weather, the system will start at reduced  
fan speeds to avoid blowing cold air into your vehicle  
until warmer air is available. The system starts out  
blowing air at the floor but may change modes  
automatically as the vehicle warms up to maintain  
the chosen temperature setting. The length of time  
needed for warm up depends on the outside  
temperature and the length of time that has  
elapsed since the vehicle was last driven.  
AUTO (Automatic): Press the AUTO button to place  
the entire system in the automatic mode. When automatic  
operation is active, the system automatically controls the  
inside temperature, the air delivery mode, and the fan  
speed.  
After a ten second display of the current settings,  
the word AUTO, the driver’s temperature setting and  
the outside temperature will be shown. The system  
operates to reach the set temperature as quickly  
as possible.  
3. Wait for the system to regulate. This may take from  
10 to 30 minutes. Then adjust the temperature, if  
necessary.  
Do not cover the solar sensor located in the center of  
the instrument panel, near the windshield. For more  
information on the solar sensor, see “Sensor” later in  
this section.  
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Manual Operation  
N (Air Delivery Mode Control): Press this button to  
manually lock in the current air delivery setting and to  
stop the automatic mode control. Pressing N deletes  
AUTO from the digital display and the mode graphics  
will be shown. To change the setting, press N again.  
The AUTO button must be pressed to return to the  
automatic mode selection.  
Driver Power/Temperature: Press the driver  
temperature knob to turn the climate control system off.  
This is the only setting that completely shuts off the fan.  
The digital display shows only the outside temperature.  
The driver and the passenger set temperature and the  
air intake mode can still be adjusted when the climate  
control is off.  
To change the current mode, select one of the following:  
Passenger Power/Temperature: Press the passenger  
temperature knob to turn the passenger’s climate control  
system on or off. Turn the knob to increase or decrease  
the temperature for the passenger. If the passenger’s  
climate control system is off, the driver’s temperature  
knob will control the temperature for the entire vehicle.  
H (Vent): Air is directed to the instrument panel  
outlets, with some air directed to the floor outlets.  
% (Bi-Level): Air is divided between the instrument  
panel and floor outlets.  
6 (Floor): Air is directed to the floor outlets, with  
some air directed to the windshield and side window  
defogger outlets.  
x 9 w (Fan): Press to increase or decrease the fan  
speed. The fan speed setting will appear in the display.  
Pressing the arrows will delete AUTO from the digital  
display. The fan graphics with the fan speed bars will be  
shown. The AUTO button must be pressed to return to  
the automatic fan control.  
- (Floor/Defog): This mode clears the windows of fog  
or moisture. Air is directed to the windshield and the floor  
outlets, with a small amount to the side window outlets.  
In this mode, the system automatically turns off the  
recirculation and runs the air-conditioning compressor  
unless the outside temperature is at or below freezing.  
The recirculation mode cannot be selected while in the  
defog mode.  
If the airflow seems low when the fan speed is at the  
highest setting, the passenger compartment air filter  
may need to be replaced. For more information, see  
Scheduled Maintenance on page 6-4.  
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You may notice a slight change in engine performance  
when the air-conditioning compressor shuts off and  
turns on again. This is normal. The system is designed  
to make adjustments to help with fuel economy while  
still maintaining the selected temperature.  
1 (Defrost): This mode clears the windows of fog  
or frost more quickly. Air is directed to the windshield,  
with a small amount directed to the side window outlets.  
The indicator light comes on and the digital display will  
show the defrost mode symbol and fan speed when  
the front defrost mode is being used. In this mode, the  
system automatically turns off the recirculation and runs  
the air-conditioning compressor, unless the outside  
temperature is at or below freezing. Recirculation cannot  
On hot days, open the windows to let hot inside air  
escape; then close them. This helps to reduce the time  
it takes for the vehicle to cool down. It also helps the  
system to operate more efficiently.  
be selected while in the defrost mode. Pressing 1 again  
For quick cool down on hot days press the AUTO button  
and adjust the temperature to a cool, comfortable setting.  
To achieve maximum cool down, do the following:  
will return the system to the last operating mode.  
For severe ice conditions, turn the driver’s temperature  
knob to 90°F (32°C) while in defrost mode.  
1. Select H mode.  
Do not drive the vehicle until all the windows are clear.  
2. Press ? .  
^ (Air Conditioning Off): Press to turn the air  
conditioning compressor off. Press AUTO to return to  
automatic operation. When in AUTO, the air conditioning  
compressor comes on automatically, as needed.  
3. Select the a/c on.  
4. Select the coolest temperature.  
5. Select the highest fan speed.  
Using these settings together for long periods of time  
may cause the air inside of your vehicle to become too  
dry. To prevent this from happening, after the air in  
the vehicle has cooled, turn the recirculation mode off.  
Air conditioning does not operate at temperatures  
below about 35°F to 40°F (2°C to 4°C). In temperatures  
above 40°F (4°C), the air conditioning cannot be  
turned off in defrost and defog, as it helps to remove  
moisture from the vehicle. It also helps to keep the  
windows clear.  
The air conditioning system removes moisture from  
the air, so a small amount of water might drip under  
the vehicle while idling or after turning off the engine.  
This is normal.  
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There is also a sensor located behind the front bumper.  
This sensor reads the outside air temperature and  
helps to maintain the temperature inside the vehicle.  
Any cover on the front of the vehicle could give a  
false reading in the temperature.  
? (Recirculation): Press to turn the recirculation  
mode on or off. An indicator light comes on to show  
that recirculation is on. This mode prevents outside air  
from entering your vehicle. It can be used to prevent  
outside air and odors from entering your vehicle and  
to help cool the air inside your vehicle more quickly.  
Recirculation mode is not available in defrost or  
defog mode.  
If the outside temperature goes up, the displayed  
temperature will not change until:  
The vehicle’s speed is above 12 mph (19 km/h) for  
five minutes.  
Sensors  
The vehicle’s speed is above 32 mph (52 km/h) for  
two and a half minutes.  
The solar sensor on the vehicle monitors the solar  
heat and uses the information to maintain the selected  
temperature when operating in AUTO mode by  
automatically adjusting the temperature, fan speed  
and air delivery system. The system may also supply  
cooler air to the side of the vehicle facing the sun.  
The recirculation mode will also be activated, as  
necessary. Do not cover the solar sensor located  
on the top of the instrument panel near the windshield  
or the system will not work properly.  
These delays prevent false readings. If the temperature  
goes down, the outside temperature will be shown  
when you start the vehicle. If it has been turned off for  
less than three hours, the temperature will be recalled  
from the previous vehicle operation.  
There is also an inside temperature sensor located to  
the left of the ignition switch. The automatic climate  
control system uses this sensor to receive information,  
so if you block or cover it, the system will not function  
properly.  
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Notice: Do not use anything sharp on the inside  
of the rear window. If you do, you could cut or  
damage the warming grid, and the repairs would  
not be covered by the vehicle warranty. Do not  
attach a temporary vehicle license, tape, a decal  
or anything similar to the defogger grid.  
Rear Window Defogger  
The rear window defogger uses a warming grid to  
remove fog or frost from the rear window.  
The rear window defogger only works when the engine  
is running.  
= (Rear Window Defogger): Press to turn the rear  
window defogger on or off. Be sure to clear as much  
snow from the rear window as possible. An indicator light  
comes on to show that the rear window defogger is on.  
Outlet Adjustment  
Use the tab located on the air outlets to change the  
direction of the airflow.  
The rear window defogger turns off about 10 minutes  
after the button is pressed when traveling less than  
30 mph (48 km/h). If turned on again, the defogger  
only runs for about five minutes before turning off.  
The defogger can also be turned off by turning off  
the engine.  
Operation Tips  
Clear away any ice, snow or leaves from the air  
inlets at the base of the windshield that may  
block the flow of air into your vehicle.  
Use of non-GM approved hood deflectors may  
adversely affect the performance of the system.  
The vehicle has heated outside rearview mirrors.  
The mirrors will heat to help clear fog or frost from the  
surface of the mirrors when the rear window defogger  
button is pressed.  
Keep the area around the base of the instrument  
panel console and air path under the seats clear  
of objects to help circulate the air inside of  
your vehicle more effectively.  
For vehicles with a power convertible top, the rear  
window defogger and heated mirrors are automatically  
disabled when the power convertible top is moving  
or down.  
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To check or replace the air filter:  
Passenger Compartment Air Filter  
The passenger compartment air filter removes certain  
particles from the air including pollen and dust particles.  
Reductions in airflow, which may occur more often in  
dusty areas, indicate that the filter may need to be  
replaced. See Scheduled Maintenance on page 6-4  
for information on how often to replace the filter.  
Notice: Driving without a passenger compartment  
air filter in place can cause water and small particles,  
like paper and leaves, to be pulled into your climate  
control system which may cause damage to it. Make  
sure you always replace the old filter with a new one.  
1. Remove the cover retainer clips (A) from the  
passenger compartment air filter cover.  
The passenger compartment air filter is located on  
the passenger side of the engine compartment near  
on page 5-14.  
2. Remove the cover.  
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Warning Lights, Gages, and  
Indicators  
Warning lights and gages can signal that something is  
wrong before it becomes serious enough to cause an  
expensive repair or replacement. Paying attention to  
the warning lights and gages could prevent injury.  
Warning lights come on when there may be or is a  
problem with one of the vehicle’s functions. Some  
warning lights come on briefly when the engine is  
started to indicate they are working.  
3. Remove the filter and install the new air filter.  
4. Replace the filter cover.  
Gages can indicate when there may be or is a problem  
with one of the vehicle’s functions. Often gages and  
warning lights work together to indicate a problem with  
the vehicle.  
5. Attach the retainer clips.  
When one of the warning lights comes on and stays on  
while driving, or when one of the gages shows there may  
be a problem, check the section that explains what to do.  
Follow this manual’s advice. Waiting to do repairs can be  
costly and even dangerous.  
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Instrument Panel Cluster  
The instrument panel cluster and Driver Information Center (DIC) are designed to show how the vehicle is running.  
It shows how fast the vehicle is going, about how much fuel the vehicle has left and many other things needed  
to know to drive safely and economically.  
United States Manual Transmission shown, Canada, Automatic Transmission and Z06 Model similar  
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ZR1– United States shown Canada similar  
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Speedometer and Odometer  
Safety Belt Reminders  
The speedometer shows the speed in either miles per  
hour (mph) or kilometers per hour (km/h). For more  
information see “Personal Options” under DIC Vehicle  
Personalization on page 3-73.  
Safety Belt Reminder Light  
When the engine is started, a chime comes on for  
several seconds to remind people to fasten their safety  
belts, unless the driver safety belt is already buckled.  
To read the odometer with the ignition off, turn on the  
parking lamps.  
The safety belt light also  
comes on and stay on for  
several seconds, then  
If the vehicle needs a new odometer installed, the  
mileage total of the new odometer will be set to the  
original miles (kilometers) of the old odometer. See your  
dealer/retailer if the odometer must be replaced in the  
vehicle.  
it flashes for several more.  
Tachometer  
This chime and light is repeated if the driver remains  
unbuckled and the vehicle is in motion. If the driver  
safety belt is already buckled, neither the chime nor  
the light comes on.  
The tachometer displays the engine speed in thousands  
of revolutions per minute (rpm).  
Notice: Fuel shuts off at about 6500 rpm for the  
base model, 7000 rpm for the Z06 model, and  
6600 rpm for the ZR1 model. If the vehicle continues  
to be driven at the fuel shut off rpm, the engine  
could be damaged. Be sure to operate the vehicle  
below the fuel shut off rpm or reduce the vehicle’s  
rpm quickly when the fuel shuts off.  
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Airbag Readiness Light  
{ CAUTION:  
The system checks the airbag’s electrical system for  
possible malfunctions. If the light stays on it indicates  
there is an electrical problem. The system check includes  
the airbag sensor, the pretensioners, the airbag modules,  
the wiring and the crash sensing and diagnostic module.  
For more information on the airbag system, see Airbag  
System on page 1-44.  
If the airbag readiness light stays on after the  
vehicle is started or comes on while driving, it  
means the airbag system might not be working  
properly. The airbags in the vehicle might not  
inflate in a crash, or they could even inflate  
without a crash. To help avoid injury, have  
the vehicle serviced right away.  
The airbag readiness light  
flashes for a few seconds  
when the engine is started.  
If the light does not come  
on then, have it fixed  
If there is a problem with the airbag system, an airbag  
Driver Information Center (DIC) message can also come  
on. See DIC Warnings and Messages on page 3-56  
for more information.  
immediately.  
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When the vehicle is started, the passenger airbag status  
indicator will light ON and OFF, or the symbol for on and  
off, for several seconds as a system check. Then, after  
several more seconds, the status indicator will light either  
ON or OFF, or either the on or off symbol, to let you know  
the status to let you know the status of the right front  
passenger frontal and seat-mounted side impact airbags  
(if equipped).  
Passenger Airbag Status Indicator  
The vehicle has the passenger sensing system.  
See Passenger Sensing System on page 1-51 for  
important safety information. The rearview mirror  
has a passenger airbag status indicator.  
If the word ON or the on symbol is lit on the passenger  
airbag status indicator, it means that the right front  
passenger frontal airbag and seat-mounted side impact  
airbag (if equipped) are enabled (may inflate).  
If the word OFF or the off symbol is lit on the passenger  
airbag status indicator, it means that the passenger  
sensing system has turned off the right front passenger  
frontal airbag and seat-mounted side impact airbag  
(if equipped). See Passenger Sensing System on  
page 1-51 for more on this, including important safety  
information.  
United States  
Canada  
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If, after several seconds, both status indicator lights  
remain on, or if there are no lights at all, there may  
be a problem with the lights or the passenger sensing  
system. See your dealer/retailer for service.  
Voltmeter Gage  
The voltmeter shows the  
voltage output of the  
battery. It shows the  
voltage output of the  
charging system while  
the engine is running.  
{ CAUTION:  
If the airbag readiness light ever comes on and  
stays on, it means that something may be wrong  
with the airbag system. To help avoid injury to  
yourself or others, have the vehicle serviced right  
away. See Airbag Readiness Light on page 3-36  
for more information, including important safety  
information.  
Base and Z06  
The reading changes as the rate of charge changes  
(with engine speed, for example), but if the voltmeter  
reads at 9 volts or below, the instrument panel cluster  
and other systems may shut down. The Driver  
Information Center (DIC) reads BATTERY VOLTAGE  
LOW when the vehicle is at 10 volts or below. Have it  
checked right away. Driving with the voltmeter reading  
at 10 volts or below could drain the battery and disable  
the vehicle.  
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After shifting to 4 (Fourth), the vehicle can be  
downshifted to a lower gear.  
One-to-Four Shift Light  
(Manual Transmission)  
Notice: Forcing the shift lever into any gear except  
4 (Fourth) when the 1 TO 4 SHIFT light comes on  
may damage the transmission. Shift only from  
1 (First) to 4 (Fourth) when the light comes on.  
When this light comes on,  
the vehicle can only be  
shifted from 1 (First)  
to 4 (Fourth) instead of  
1 (First) to 2 (Second).  
This light comes on when:  
The engine coolant temperature is higher than  
169°F (76°C),  
The vehicle is going 15 to 19 mph  
(24 to 31 km/h) and  
The shift must be completed into 4 (Fourth) to turn off  
this feature. This helps the vehicle get the best possible  
fuel economy.  
The vehicle 21 percent throttle or less.  
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Brake System Warning Light  
{ CAUTION:  
The vehicle’s hydraulic brake system is divided into  
two parts. If one part is not working, the other part  
can still work and stop the vehicle. For good braking  
both parts need to be working well.  
The brake system might not be working properly if  
the brake system warning light is on. Driving with  
the brake system warning light on can lead to a  
crash. If the light is still on after the vehicle has  
been pulled off the road and carefully stopped,  
have the vehicle towed for service.  
If this warning light stays on after the engine is started,  
the parking brake may still be set or there could be  
a brake problem. Refer to Parking Brake on page 2-32  
to see if it is set. If the parking brake is not set, have  
the brake system inspected right away.  
United States  
Canada  
This light comes on briefly while starting the engine. If it  
does not come on, have it fixed so it is ready to warn  
if there is a problem.  
If the light comes on while driving and a CHECK BRAKE  
FLUID message shows on the DIC, pull off the road and  
stop carefully. The pedal may be harder to push or the  
pedal may go closer to the floor. It may take longer to  
stop. If the light is still on, have the vehicle towed for  
service. See Towing Your Vehicle on page 4-28 and  
DIC Warnings and Messages on page 3-56 for more  
information.  
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Antilock Brake System (ABS)  
Warning Light  
Traction Control System (TCS)  
Warning Light  
For vehicles with  
the Antilock Brake  
System (ABS), this light  
comes on briefly when  
the engine is started.  
The Traction Control  
System (TCS) Warning  
light comes on briefly while  
starting the engine.  
If it does not, have the vehicle serviced by your  
dealer/retailer. If the system is working normally the  
indicator light then goes off.  
If the ABS light stays on, turn the ignition off. If the  
light comes on while driving, stop as soon as it is safely  
possible and turn the ignition off. Then start the engine  
again to reset the system. If the ABS light stays on, or  
comes on again while driving, the vehicle needs service.  
If the regular brake system warning light is not on, the  
vehicle still has brakes, but not antilock brakes. If the  
regular brake system warning light is also on, the vehicle  
does not have antilock brakes and there is a problem with  
the regular brakes. See Brake System Warning Light on  
page 3-40.  
If it does not, have the vehicle serviced by your  
dealer/retailer. If the system is working normally the  
indicator light then goes off.  
If the light stays on, or comes on while driving and a  
SERVICE TRACTION SYSTEM message displays in  
the Driver Information Center (DIC), the vehicle needs  
service.  
This light comes on when the TCS is turned off and a  
TRACTION SYSTEM OFF message displays on the DIC.  
When this light is on, the TCS system does not limit  
wheel spin.  
For vehicles with a Driver Information Center (DIC),  
see DIC Warnings and Messages on page 3-56 for  
all brake related DIC messages.  
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This light turns off when the TCS is turned back on  
and a TRACTION SYSTEM ON message displays  
on the DIC  
If the light stays on or comes on while driving, a chime  
sounds and a SERVICE ACTIVE HANDLING SYSTEM  
message appears on the DIC and the vehicle need  
service.  
See Traction Control System (TCS) on page 4-6 and  
DIC Warnings and Messages on page 3-56 for more  
information.  
The system is not working properly and the vehicle  
needs service.  
This light also comes on while the vehicle is in the  
Competitive Mode. See Active Handling System  
on page 4-7.  
This light also comes on when the Competitive Drive  
mode is selected.  
When the Active Handling System is turned off, the light  
comes on, a chime sounds, and the TRACTION SYSTEM  
AND ACTIVE HANDLING – OFF message displays in the  
DIC. The Traction Control System is off and the Active  
Handling System does not assist with controlling the  
vehicle.  
Active Handling System Light  
The Active Handling  
System light comes on  
briefly as the engine is  
started. If the light does not,  
have the vehicle serviced  
by your dealer/retailer.  
If the system is working  
normally the light goes off.  
When the Active Handling System is turned back on,  
the light turns off, a chime sounds and the TRACTION  
SYSTEM AND ACTIVE HANDLING – ON message  
displays in the DIC.  
See DIC Warnings and Messages on page 3-56 for  
more information.  
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Engine Coolant Temperature Gage  
Tire Pressure Light  
For vehicles with a tire  
pressure monitoring  
system, this light comes  
on briefly when the engine  
is started.  
It provides information about tire pressures and the  
Tire Pressure Monitoring System.  
United States  
Canada  
When the Light is On Steady  
This gage shows the engine coolant temperature. If the  
gage pointer moves into the shaded area, the engine  
is too hot.  
This indicates that one or more of the tires is significantly  
underinflated.  
A tire pressure message in the Driver Information  
Center (DIC), can accompany the light. See DIC  
Warnings and Messages on page 3-56 for more  
information. Stop and check the tires as soon as  
it is safe to do so. If a tire is underinflated, inflate  
to the proper pressure. See Tires on page 5-62  
for more information.  
This means that the engine coolant has overheated.  
If the vehicle has been operating under normal driving  
conditions, pull off the road, stop the vehicle and  
turn off the engine as soon as possible.  
See Engine Overheating on page 5-39 for more  
information.  
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If the check engine light comes on and stays on, while  
the engine is running, this indicates that there is an  
OBD II problem and service is required.  
When the Light Flashes First and Then is  
On Steady  
This indicates that there could be a problem with the  
Tire Pressure Monitor System. The light flashes for about  
a minute and stays on steady for the remainder of the  
ignition cycle. This sequence repeats with every ignition  
cycle. See Tire Pressure Monitor System on page 5-73  
for more information.  
Malfunctions often are indicated by the system before  
any problem is apparent. Being aware of the light  
can prevent more serious damage to the vehicle.  
This system assists the service technician in correctly  
diagnosing any malfunction.  
Notice: If the vehicle is continually driven with  
this light on, after a while, the emission controls  
might not work as well, the vehicle’s fuel economy  
might not be as good, and the engine might not  
run as smoothly. This could lead to costly repairs  
that might not be covered by the vehicle warranty.  
Malfunction Indicator Lamp  
Check Engine Light  
A computer system called OBD II (On-Board  
Diagnostics-Second Generation) monitors operation  
of the fuel, ignition, and emission control systems.  
It makes sure that emissions are at acceptable levels  
for the life of the vehicle, helping to produce a cleaner  
environment.  
Notice: Modifications made to the engine,  
transmission, exhaust, intake, or fuel system  
of the vehicle or the replacement of the original  
tires with other than those of the same Tire  
Performance Criteria (TPC) can affect the vehicle’s  
emission controls and can cause this light to come  
on. Modifications to these systems could lead to  
costly repairs not covered by the vehicle warranty.  
This could also result in a failure to pass a required  
Emission Inspection/Maintenance test. See  
This comes on briefly  
while starting the engine.  
If it does not come on, have  
the vehicle serviced by your  
dealer/retailer.  
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This light comes on during a malfunction in one of  
two ways:  
An emission system malfunction might be corrected by  
doing the following:  
Make sure the fuel cap is fully installed. See Filling  
the Tank on page 5-8. The diagnostic system  
can determine if the fuel cap has been left off or  
improperly installed. A loose or missing fuel cap  
allows fuel to evaporate into the atmosphere. A few  
driving trips with the cap properly installed should  
turn the light off.  
Light Flashing: A misfire condition has been detected.  
A misfire increases vehicle emissions and could damage  
the emission control system on the vehicle. Diagnosis  
and service might be required.  
The following can prevent more serious damage to the  
vehicle:  
Reduce vehicle speed.  
Avoid hard accelerations.  
Avoid steep uphill grades.  
If the vehicle has been driven through a deep puddle  
of water, the vehicle’s electrical system might be wet.  
The condition is usually corrected when the electrical  
system dries out. A few driving trips should turn the  
light off.  
If the light continues to flash, when it is safe to do so,  
stop the vehicle. Find a safe place to park the vehicle.  
Turn the key off, wait at least 10 seconds, and restart  
the engine. If the light is still flashing, follow the previous  
steps and see your dealer/retailer for service as soon  
as possible.  
Make sure to fuel the vehicle with quality fuel. Poor  
fuel quality causes the engine not to run as efficiently  
as designed and may cause: stalling after start-up,  
stalling when the vehicle is changed into gear,  
misfiring, hesitation on acceleration, or stumbling  
on acceleration. These conditions might go away  
once the engine is warmed up.  
Light On Steady: An emission control system  
malfunction has been detected on the vehicle.  
Diagnosis and service might be required.  
If one or more of these conditions occurs, change the  
fuel brand used. It will require at least one full tank of  
the proper fuel to turn the light off.  
See Gasoline Octane on page 5-5.  
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If none of the above have made the light turn off, your  
dealer/retailer can check the vehicle. The dealer/retailer  
has the proper test equipment and diagnostic tools to  
fix any mechanical or electrical problems that might  
have developed.  
for five seconds. The instrument panel, including the  
check engine light, will light up and the ignition will be  
on, but the engine will not start — press the bottom of  
the Acc. button only briefly, less than five seconds,  
the accessory power mode will be turned on, but not  
the ignition. After the bulb check, press and release  
the Acc. button again to turn the ignition off and avoid  
draining the vehicle’s battery.  
Emissions Inspection and Maintenance  
Programs  
The vehicle will not pass this inspection if the OBD II  
(on-board diagnostic) system determines that critical  
emission control systems have not been completely  
diagnosed by the system. The vehicle would be  
considered not ready for inspection. This can happen  
if the battery has recently been replaced or if the  
battery has run down. The diagnostic system is  
designed to evaluate critical emission control  
systems during normal driving. This can take  
several days of routine driving. If this has been done  
and the vehicle still does not pass the inspection for  
lack of OBD II system readiness, your dealer/retailer  
can prepare the vehicle for inspection.  
Some state/provincial and local governments have or  
might begin programs to inspect the emission control  
equipment on the vehicle. Failure to pass this inspection  
could prevent getting a vehicle registration.  
Here are some things to know to help the vehicle pass  
an inspection:  
The vehicle will not pass this inspection if the check  
engine light is on with the engine running.  
To perform a check engine light bulb check with the  
keyless ignition, make sure the transmitter fob is in  
the passenger compartment. See Ignition Positions  
on page 2-23. Press the bottom of the Acc. button  
on the instrument panel and hold the button down  
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Engine Oil Pressure Gage  
{ CAUTION:  
Do not keep driving if the oil pressure is low.  
The engine can become so hot that it catches fire.  
Someone could be burned. Check the oil as soon  
as possible and have the vehicle serviced.  
Notice: Lack of proper engine oil maintenance  
can damage the engine. The repairs would not be  
covered by the vehicle warranty. Always follow  
the maintenance schedule in this manual for  
changing engine oil.  
United States  
Canada  
The engine oil pressure gage shows the engine  
oil pressure in psi (pounds per square inch) or  
kPa (kilopascals) when the engine is running.  
Oil pressure should be 20 to 80 psi (140 to 550 kPa).  
In certain situations such as long, extended idles on hot  
days, it could read as low as 6 psi (40 kPa) and still  
be considered normal. It may vary with engine speed,  
outside temperature and oil viscosity, but readings  
above the shaded area show the normal operating range.  
Readings in the shaded area tell you that the engine is  
low on oil, or that you might have some other oil problem.  
See Engine Oil on page 5-19.  
United States — Z06  
and ZR1 Models  
Canada — Z06 and  
ZR1 Models  
The engine oil pressure can also be displayed using the  
GAGES button on the Driver Information Center (DIC).  
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Security Light  
Lights On Reminder  
For information regarding  
this light and the vehicle’s  
security system, see  
on page 2-18.  
This light comes on  
whenever the parking  
lamps are on.  
See Headlamps on Reminder on page 3-15 for more  
information.  
Fog Lamp Light  
Highbeam On Light  
The fog lamp light comes  
on when the fog lamps are  
in use.  
This light comes on when  
the high-beam headlamps  
are in use.  
The light goes out when the fog lamps are turned off.  
See Fog Lamps on page 3-17 for more information.  
for more information.  
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Here are five things that some owners ask about.  
All these things are normal and do not indicate that  
anything is wrong with the fuel gage.  
Fuel Gage  
The fuel gage shows how  
much fuel the vehicle has  
left while the engine is on.  
At the service station, the gas pump shuts off  
before the gage reads the full.  
It takes a little more or less fuel to fill up than the  
gage indicated. For example, the gage may have  
indicated half full, but it took a little more or less  
than half of the tank’s capacity to fill the tank.  
The gage pointer may move while cornering, braking  
or speeding up.  
The gage may not indicate the tank is empty when  
the ignition is turned off.  
An arrow on the fuel gage indicates the side of the  
vehicle the fuel door is on.  
The gage reading may change slightly within the first  
several minutes after starting the vehicle.  
When the needle approaches the low fuel symbol, a  
chime sounds and LOW FUEL appears on the Driver  
Information Center (DIC) display. There is still a little  
fuel left, but the vehicle’s fuel tank should be filled soon.  
See DIC Operation and Displays on page 3-50 for more  
information.  
Press the RESET button to acknowledge a DIC  
message(s). Pressing the RESET button also turns off  
a DIC message but the LOW FUEL message comes  
on again in 10 minutes if fuel is not added to the vehicle.  
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Boost Gage (ZR1 Only)  
Driver Information Center (DIC)  
The Driver Information Center (DIC) display is located  
on the instrument panel cluster and shows driver  
personalization features and warning/status messages.  
The DIC buttons are located on the instrument panel,  
to the right of the cluster.  
The DIC comes on when the ignition is turned on.  
After displaying CORVETTE BY CHEVROLET, the DIC  
shows the information that was last displayed before  
the engine was turned off.  
If a problem is detected, a warning message appears  
on the DIC display. See DIC Warnings and Messages  
on page 3-56 for more information.  
United States  
Canada  
For vehicles that have this gage, it is located near the  
driver side of the instrument panel cluster.  
DIC Operation and Displays  
This gage indicates vacuum during light to moderate  
throttle and boost under heavier throttle.  
Depending on the features on the vehicle, the drive  
gear may display on the DIC. See “Manual Paddle Shift”  
and “Head-Up Display (HUD)” in the index of the  
Navigation system manual for more information.  
It displays the air pressure level in the intake manifold  
before it enters the engine’s combustion chamber.  
The gage is automatically centered at zero every time  
the engine is started. Actual vacuum or boost is displayed  
from this zero point. Changes in ambient pressure,  
such as driving in mountains and changing weather,  
will slightly change the zero reading.  
The Driver Information Center (DIC) has different modes  
which can be accessed by pressing the following buttons  
located on the instrument panel, to the right of the  
instrument panel cluster.  
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2 (Gages): Press this button to display gage  
information like oil pressure and temperature, coolant  
temperature, automatic transmission fluid temperature,  
if equipped, battery voltage, and front/rear tire pressures.  
TRIP: Press this button to display your total and trip  
distance driven, the elapsed time function, your average  
speed, and the engine oil life.  
OPTION: Press this button to choose personal options  
that are available on your vehicle, depending on the  
options your vehicle is equipped with, such as door  
locks, easy entry seats, and language.  
RESET: Press this button, used along with the other  
buttons, to reset system functions, select personal  
options, and turn off or acknowledge messages on  
the DIC.  
. 4 (Fuel): Press this button to display fuel information  
such as fuel economy and range.  
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Fuel Range: The range calculates the remaining  
distance you can drive without refueling. It is based  
on fuel economy and the fuel remaining in the tank.  
FUEL Button  
The fuel button displays average fuel economy and  
instantaneous fuel economy, calculated for your specific  
driving conditions, and range information.  
Press the fuel button again to display the range,  
such as:  
Average Fuel Economy: The average fuel economy  
is viewed as a long-term approximation of your overall  
driving conditions. You should reset the average fuel  
economy display every time you refuel. If you press the  
RESET button in this mode while you are driving, the  
system will reset this display and begin figuring fuel  
economy from that point in time.  
RANGE 30 MI or  
RANGE 48 km  
If the LOW FUEL warning is displayed or if RANGE  
is less than 40 miles (64 km), the display will read  
RANGE LOW.  
The fuel economy data used to determine fuel range is  
an average of recent driving conditions. As your driving  
conditions change, this data is gradually updated  
automatically.  
Press the fuel button to display average fuel economy,  
such as:  
AVERAGE FUEL ECONOMY 20.1 MPG or  
AVERAGE FUEL ECONOMY 11.7 L/100 km  
If the vehicle has been idling for a long time, the  
range displayed on the DIC could be abnormally low.  
The vehicle must be driven 5–10 miles (8–16 km) to get  
an accurate reading.  
Instantaneous Fuel Economy: Instantaneous fuel  
economy reflects only the fuel economy that the vehicle  
has right now and will change frequently as driving  
conditions change. Unlike average fuel economy,  
this menu item cannot be reset.  
Press the fuel button again to display instantaneous fuel  
economy, such as:  
INSTANT FUEL ECONOMY 20.1 MPG or  
INSTANT FUEL ECONOMY 11.7 L/100 km  
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Coolant Temperature: This display shows the engine  
coolant temperature.  
GAGES Button  
The gages button displays oil pressure, oil temperature,  
coolant temperature, transmission fluid temperature  
for automatic transmission vehicles only, battery voltage,  
and tire pressure information.  
Press the gages button again to display the coolant  
temperature, such as:  
COOLANT TEMPERATURE 123°F or  
COOLANT TEMPERATURE 51°C  
Oil Pressure: This display shows the oil pressure.  
If the coolant temperature is low, the display will  
show COOLANT TEMPERATURE LOW. If the coolant  
temperature is high, the display will show COOLANT  
TEMPERATURE HIGH.  
Press the gages button to display the oil pressure,  
such as:  
OIL PRESSURE 40 PSI or  
OIL PRESSURE 276 kPa  
Transmission Fluid Temperature: If you have an  
automatic transmission vehicle, this display shows the  
automatic transmission fluid temperature.  
Oil Temperature: This display shows the oil  
temperature.  
Press the gages button again to display the automatic  
transmission fluid temperature, such as:  
Press the gages button again to display the oil  
temperature, such as:  
TRANS FLUID TEMP 123°F or  
TRANS FLUID TEMP 51°C  
OIL TEMPERATURE 234°F or  
OIL TEMPERATURE 112°C  
If the transmission fluid temperature is low, the display  
will show TRANS FLUID TEMP LOW. If the transmission  
fluid temperature is high, the display will show TRANS  
FLUID TEMP HIGH.  
If the oil temperature is low, the display will show OIL  
TEMPERATURE LOW. If the oil temperature is high,  
the display will show OIL TEMPERATURE HIGH.  
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Battery Voltage: This display shows the current battery  
voltage.  
TRIP Button  
The TRIP button displays the odometer, trip distance,  
elapsed time, average speed, and oil life remaining  
information.  
Press the gages button again to display the battery  
voltage, such as:  
BATTERY VOLTAGE 13.5 VOLTS  
Odometer: The odometer shows how far your vehicle  
has been driven in either miles or kilometers. Press  
the TRIP button to display odometer readings, such as:  
Tire Pressure: This display shows the tire pressure for  
each tire.  
ODOMETER 12345 MI or  
ODOMETER 20008 km  
Press the gages button again to display the tire pressure  
for the front tires, such as:  
FRONT TIRE PRESSURES L 34 PSI R 33 PSI or  
FRONT TIRE PRESSURES L 234 kPa R 228 kPa  
You can also display the odometer by turning on the  
parking lamps.  
Press the gages button again to display the tire pressure  
for the rear tires, such as:  
Trip Odometers: There are two trip odometers.  
Press the TRIP button to display TRIP ODOMETER A  
readings and press the button again to display  
TRIP ODOMETER B readings, such as:  
REAR TIRE PRESSURES L 34 PSI R 33 PSI or  
REAR TIRE PRESSURES L 234 kPa R 228 kPa  
TRIP ODOMETER A 130.5 MI or  
TRIP ODOMETER A 209.9 km  
TRIP ODOMETER B 300.5 MI or  
TRIP ODOMETER B 483.5 km  
Both of the trip odometers can be used simultaneously.  
The trip odometers can be reset by pressing the  
RESET button on the DIC.  
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There is also a miles since last ignition feature that  
displays the number of miles (kilometers) driven since  
you last started the vehicle. Press and hold the RESET  
button for three seconds, then release it. The miles  
(kilometers) since the last ignition cycle will be set  
into the trip odometer.  
Average Speed: Press the TRIP button until the  
average speed is displayed, such as:  
AVERAGE SPEED 62 MPH or  
AVERAGE SPEED 100 km/h  
Press and hold the RESET button to reset to  
0.0 mph (km/h).  
Elapsed Timer: Press the TRIP button until ELAPSED  
TIMER is displayed, such as ELAPSED TIMER .00.  
Engine Oil Life: Press the TRIP button until the engine  
When the ignition is in on, the DIC can be used  
as a stopwatch. The display can show hours, minutes  
and seconds. The elapsed time indicator will record  
up to 23 hours, 59 minutes and 59 seconds, then it  
will reset to zero and continue counting. The display  
appears as ELAPSED TIMER .00 in the elapsed  
time function.  
oil life is displayed, such as OIL LIFE REMAINING 89%.  
This is an estimate of the engine oil’s remaining  
useful life. It will show 100% when the system is reset  
after an oil change. It will alert you to change the oil  
on a schedule consistent with your driving conditions.  
When the remaining oil life is low, the system will  
alert you with the message CHANGE ENGINE OIL.  
You can start or stop the elapsed time by pressing  
the RESET button. To reset the elapsed time to zero,  
press the RESET button for three seconds while  
the timer is displayed.  
Remember, you must reset the engine oil life system  
yourself after each oil change. It will not reset itself.  
To reset the system, see Engine Oil Life System  
on page 5-26. Be careful not to reset the engine oil life  
system accidentally at any time other than when the  
oil has just been changed. It cannot be reset accurately  
until the next oil change.  
Pressing and holding the RESET button for at least  
10 seconds will reset the timer display to the time  
since last ignition cycle.  
Oil on page 5-19 for more information.  
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Some messages may not require immediate action,  
but you can press the RESET button to acknowledge  
that you received the messages and to clear them from  
the display.  
OPTION Button  
The OPTION button allows you to access the  
PERSONAL OPTIONS menu and customize the  
personalization settings on your vehicle. See DIC  
Vehicle Personalization on page 3-73 for more  
information.  
Some messages cannot be cleared from the DIC display  
because they are more urgent. These messages require  
action before they can be cleared. You should take any  
messages that appear on the display seriously and  
remember that clearing the messages will only make  
the messages disappear, not correct the problem.  
RESET Button  
The RESET button, used along with other buttons, will  
reset system functions and turn off or acknowledge  
messages on the DIC.  
The following are the possible messages that can be  
displayed and some information about them.  
ABS (Antilock Brake System) ACTIVE  
DIC Warnings and Messages  
This message displays when the Antilock Brake  
System (ABS) is adjusting brake pressure to help  
avoid a braking skid.  
Messages are displayed on the DIC to notify the driver  
that the status of the vehicle has changed and that  
some action may be needed by the driver to correct  
the condition. Multiple messages may appear one after  
another. You can scroll through the messages that may  
have been sent at the same time. The DIC is continuously  
updated with the vehicle performance status.  
Slippery road conditions may exist if this message  
is displayed, so adjust your driving accordingly.  
The message stays on for a few seconds after the  
system stops adjusting brake pressure. See Antilock  
Brake System (ABS) on page 4-5 for more information.  
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ACTIVE HANDLING  
BATTERY SAVER ACTIVE  
This message displays when the Active Handling  
System is operating. The Active Handling System  
is a computer controlled system that assists the driver  
in controlling the vehicle in difficult driving conditions.  
You may feel or hear the system working and see the  
ACTIVE HANDLING message displayed in the DIC.  
This message stays on for a few seconds following the  
active handling event. This is normal when the system is  
operating. See Active Handling System on page 4-7 and  
Braking on page 4-4.  
This message displays when the vehicle has detected  
that the battery voltage is dropping beyond a reasonable  
point. The battery saver system starts reducing certain  
features of the vehicle that you may be able to notice.  
At the point that features are disabled, this message is  
displayed. It means that the vehicle is trying to save the  
charge in the battery. Turn off unnecessary accessories  
to allow the battery to recharge.  
BUCKLE PASSENGER  
This message reminds you to buckle the passenger’s  
safety belt.  
ACTIVE HANDLING READY  
This message displays when the functional check  
of the Active Handling System has been completed.  
See Active Handling System on page 4-7 for more  
information.  
This message displays and a sound will be heard when  
the ignition is on, the driver’s safety belt is buckled, the  
passenger’s safety belt is unbuckled with the passenger  
airbag enabled, and the vehicle is in motion. You should  
have the passenger buckle their safety belt.  
ATTACH TRUNK PARTITION  
The reminder will be repeated if the ignition is on,  
the vehicle is in motion, the driver is buckled and the  
passenger is still unbuckled, and the passenger airbag  
is enabled. If the passenger’s safety belt is already  
buckled, this message will not come on.  
If the vehicle has a power convertible top, this message  
displays and a sound will be heard if the trunk partition  
is not in place. Open the hatch/trunk and make sure  
the trunk partition is secure and no objects are on the  
trunk partition. See Rear Storage Area on page 2-53  
for more information.  
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BUCKLE SEATBELT  
CHANGE ENGINE OIL  
This message reminds you to buckle the driver’s  
safety belt.  
This message displays when the life of the engine oil  
has expired. See Scheduled Maintenance on page 6-4.  
After an oil change, the engine oil life system must be  
reset. See “Engine Oil Life” under DIC Operation and  
Displays on page 3-50. Also, see Engine Oil on  
page 5-19 and Engine Oil Life System on page 5-26  
for more information.  
This message displays and a sound will be heard when  
the ignition is on, the driver’s safety belt is unbuckled,  
and the vehicle is in motion. You should buckle  
your safety belt.  
If the driver remains unbuckled when the ignition is  
on and the vehicle is in motion, the reminder will  
be repeated. If the driver’s safety belt is already  
buckled, this message will not come on.  
CHECK BRAKE FLUID  
This message displays, a sound will be heard, and  
the brake system warning light on the instrument panel  
cluster turns on if the ignition is on to inform the driver that  
the brake fluid level is low. See Brake System Warning  
Light on page 3-40. Have the brake system serviced by  
your dealer/retailer as soon as possible. See Brakes on  
page 5-43.  
This message is an additional reminder to the safety  
belt reminder light in the instrument panel cluster.  
See Safety Belt Reminders on page 3-35 for more  
information.  
CHANGE BRAKE PADS  
CHECK COOLANT LEVEL  
On vehicles with electronic brake pad wear sensors,  
this message will be displayed when the pads are worn.  
See your dealer/retailer for service.  
This message displays when the engine coolant level  
is low. Have the cooling system serviced by your dealer/  
retailer as soon as possible. See Engine Coolant on  
page 5-34.  
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CHECK GAS CAP  
CLOSE TRUNK TO MOVE TOP  
This message displays if the fuel cap has not been fully  
tightened. Check the fuel cap to make sure that it is on  
properly. Once tightened, it takes at least one overnight  
park to reset or clear this message. If both the CHECK  
GAS CAP message and the malfunction indicator lamp in  
the instrument panel cluster are on, you may need to see  
your dealer/retailer for service. See Malfunction Indicator  
Lamp on page 3-44 for more information.  
This message displays and a sound will be heard  
if the trunk is open while you are trying to operate the  
convertible top. Make sure the trunk is closed before  
operating the convertible top. See Convertible Top  
on page 2-69.  
COMPETITIVE DRIVING MODE  
This message displays and a sound will be heard when  
the Competitive Driving mode is selected. The instrument  
panel cluster light will be on when the Competitive Driving  
mode is selected. The Traction Control System (TCS) will  
not be operating while in the Competitive Driving mode.  
Adjust your driving accordingly. See Racing or Other  
Competitive Driving on page 4-14 for more information.  
CHECK OIL LEVEL  
On some vehicles, this message displays and two  
chimes sound if the oil level in the vehicle is low.  
Once the vehicle senses a change in the engine  
oil level, the light remains off.  
If this message appears after starting the engine, the  
engine oil level may be too low. You may need to  
add oil. See Engine Overheating on page 5-39.  
To acknowledge the message, press the RESET button.  
The message reappears every 10 minutes until this  
condition changes.  
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COOLANT OVER TEMPERATURE  
ENGINE DRAG CONTROL ACTIVE  
This message displays when engine drag control is  
active. When driving in a lower gear in rainy, snowy,  
or icy conditions and then letting up on the accelerator  
or downshifting, the rear wheels may begin to slip  
and this message displays. This message stays on  
for a few seconds following the engine drag control event.  
This message displays and a sound will be heard if the  
engine coolant exceeds 255°F (124°C). If you have been  
operating the vehicle under normal driving conditions, pull  
off the road, stop the vehicle, and turn off the engine as  
soon as possible.  
You can monitor the coolant temperature with the gages  
button on the DIC or the engine coolant temperature  
gage on the instrument panel cluster. See Engine  
on page 3-43.  
ENGINE OVERHEATED – STOP  
ENGINE  
This message displays and a sound will be heard when  
the engine has overheated. Stop and turn the engine  
off immediately to avoid severe engine damage.  
See Engine Overheating on page 5-39.  
To acknowledge the message, press the RESET button.  
The message and sound will come back on until this  
condition changes. If you do not press the RESET button,  
the message remains on until the condition changes.  
ENGINE PROTECTION REDUCE  
ENGINE RPM  
CRUISE DISENGAGED  
This message displays if the engine oil temperature  
exceeds 320°F (160°C). Check the engine coolant  
temperature and engine oil level. If the engine is too  
hot, see Engine Overheating on page 5-39. The vehicle  
may need service, so see your dealer/retailer.  
This message displays briefly when you disengage the  
cruise control system by stepping on the brake on an  
automatic transmission vehicle or the clutch on a manual  
transmission vehicle, or by turning off the cruise control  
switch. See Cruise Control on page 3-10 for more  
information.  
You can monitor the oil temperature with the gages  
button on the DIC. See DIC Operation and Displays  
on page 3-50.  
Multiple chimes sound when this message is displayed.  
This message remains displayed and active until the  
issue is resolved.  
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HEADLAMPS SUGGESTED  
HOT ENGINE AIR CONDITIONING OFF  
This message displays if it is dark enough outside and  
the headlamps and the Twilight Sentinel® controls are  
off. This message informs the driver that turning on the  
exterior lamps is recommended. It has become dark  
enough outside to require the headlamps and/or other  
exterior lamps.  
This message displays when the engine coolant  
becomes hotter than the normal operating temperature.  
To avoid added strain on a hot engine, the air  
conditioning compressor is automatically turned off.  
When the coolant temperature returns to normal, the A/C  
operation automatically resumes. You can continue to  
drive the vehicle. If this message continues to appear,  
have the system repaired by your dealer/retailer as  
soon as possible to avoid compressor damage.  
HIGH TIRE PRESSURE  
This message displays when one or more of the tires is  
over-inflated. This message also displays LEFT FRONT,  
RIGHT FRONT, LEFT REAR, or RIGHT REAR to  
indicate which tire is affected. You can receive more  
than one tire pressure message at a time. To read other  
messages that may have been sent at the same time,  
press the RESET button. If a tire pressure message  
appears on the DIC, stop as soon as you can. Have  
the tire pressures checked and set to those shown on  
the Tire Loading Information label. See Run-Flat Tires  
on page 5-69, Loading the Vehicle on page 4-23,  
Monitor System on page 5-73. The DIC also shows the  
tire pressure values. See DIC Operation and Displays  
on page 3-50.  
ICE POSSIBLE  
This message displays when the outside air temperature  
is cold enough to create icy road conditions. Adjust  
your driving accordingly.  
LOW FUEL  
This message displays when the fuel tank is less than  
10 percent full and the display is turned off. A sound will  
be heard when this message is displayed. Refill the  
fuel tank as soon as possible. See Fuel Gage on  
page 3-49.  
To acknowledge the message, press the RESET button.  
A message reappears every 10 minutes until the  
condition is corrected.  
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This message displays when one or more of the  
tires is under-inflated. This message also displays  
LEFT FRONT, RIGHT FRONT, LEFT REAR, or  
RIGHT REAR to indicate which tire is affected. Multiple  
chimes sound and the tire pressure light on the  
instrument panel cluster turns on when this message  
is displayed. See Tire Pressure Light on page 3-43.  
You can receive more than one tire pressure message  
at a time. To read other messages that may have been  
sent at the same time, press the RESET button. If a tire  
pressure message appears on the DIC, stop as soon  
as you can. Have the tire pressures checked and set  
to those shown on the Tire Loading Information label.  
page 4-23, Inflation - Tire Pressure on page 5-71, and  
Tire Pressure Monitor System on page 5-73. The DIC  
also shows the tire pressure values. See DIC Operation  
and Displays on page 3-50.  
LOW OIL PRESSURE  
This message displays if low oil pressure levels occur.  
If this message appears while the engine is running,  
stop the engine and do not operate it until the cause  
of low oil pressure is corrected. Severe damage to the  
engine can result. A sound will be heard when this  
message is displayed. See Engine Oil on page 5-19.  
LOW TIRE PRESSURE  
{ CAUTION:  
When the LOW TIRE PRESSURE or TIRE FLAT  
message is displayed on the Driver Information  
Center, your vehicle’s handling capabilities will  
be reduced during severe maneuvers. The active  
handling system will be affected. See Active  
Handling System on page 4-7. If you drive too  
fast, you could lose control of your vehicle. You or  
others could be injured. Do not drive over 55 mph  
(90 km/h) when the LOW TIRE PRESSURE or  
TIRE FLAT message is displayed. Drive cautiously  
and check your tire pressures as soon as you can.  
To acknowledge the message, press the RESET button.  
A message reappears every 10 minutes until the  
condition is corrected.  
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The vehicle is experiencing Electromagnetic  
Interference (EMI). Some locations, such as airports,  
automatic toll booths, and some gas stations have  
EMI fields which may interfere with the keyless  
access transmitter.  
MAXIMUM SPEED 80 MPH (129 km/h)  
This message displays when a malfunction is present in  
the Selective Ride Control system. The vehicle speed  
will be limited to a value determined by the vehicle when  
the shock absorber system has failed and the shocks  
are in their full soft mode. Have the vehicle serviced  
by your dealer/retailer as soon as possible.  
To acknowledge the message, press the RESET button.  
The message reappears every 10 minutes until this  
condition changes.  
NO FOBS DETECTED  
This message displays if the vehicle does not detect the  
presence of a keyless access transmitter when you have  
attempted to start the vehicle or a vehicle door has just  
closed. The following conditions may cause this message  
to appear:  
If moving the transmitter to different locations within  
the vehicle does not help, place the transmitter in the  
glove box transmitter pocket with the buttons facing to  
the right and then press the START button.  
Driver-added equipment plugged into the accessory  
power outlet on the center console is causing  
interference. Examples of these devices are cell  
phones and cell phone chargers, two-way radios,  
power inverters, or similar items. Try moving the  
keyless access transmitter away from these devices  
when starting the vehicle. In addition, PDA devices  
and remote garage and gate openers may also  
generate Electromagnetic Interference (EMI) that  
may interfere with the keyless access transmitter.  
Do not carry the keyless access transmitter in the  
same pocket or bag as these devices.  
The vehicle’s battery voltage is low. The battery  
voltage must be above 10 volts for the keyless  
access transmitter to be detected properly.  
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NO FOB - OFF OR RUN?  
PRESS BRAKE TO START ENGINE  
(Automatic Transmission Only)  
This message displays when the keyless access  
transmitter is not detected inside the vehicle while you  
are trying to turn the ignition off. The vehicle may be  
near a strong radio antenna signal causing the keyless  
access system to be jammed. The vehicle will remain in  
ACCESSORY until the vehicle is turned off or is restarted,  
or five minutes has expired. If you turn the ignition off and  
you cannot find the keyless access transmitter, you will  
not be able to restart the vehicle. The keyless access  
transmitter needs to be inside of the vehicle in order for  
the vehicle to start. See Starting the Engine on page 2-24  
for more information.  
This message displays if you try to start the engine by  
pressing the keyless ignition start button without having  
the brake pressed. The brake needs to be pressed when  
starting the engine. See Ignition Positions on page 2-23  
for more information.  
REDUCED ENGINE POWER  
If this message displays and the check engine light  
comes on, a noticeable reduction in the vehicle’s  
performance may occur. If the REDUCED ENGINE  
POWER message is displayed, but there is no  
reduction in performance, proceed to your destination.  
The performance may be reduced the next time the  
vehicle is driven.  
OPTIONS UNAVAILABLE  
This message displays for a few seconds if a keyless  
access transmitter that is not labelled 1 or 2 is used  
and you try to personalize the features on the vehicle  
by pressing the OPTION button. The personalization  
system will not recognize the transmitter and the DIC  
will not display the current driver number or the menus  
used to set personalizations. The personalization  
features will then be set to the default states. See DIC  
Vehicle Personalization on page 3-73 for more  
information.  
The vehicle may be driven at a reduced speed while the  
REDUCED ENGINE POWER message is displayed, but  
acceleration and speed may be reduced. Anytime the  
check engine light stays on, the vehicle should be taken  
to your dealer/retailer as soon as possible for diagnosis  
and repair. See Malfunction Indicator Lamp on page 3-44  
for more information.  
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Multiple chimes sound when this message is displayed.  
SERVICE ANTILOCK BRAKES  
To acknowledge the message, press the RESET button.  
The message reappears every five minutes until this  
condition changes.  
If this message displays while you are driving, stop as  
soon as possible and turn the ignition off. Then start the  
engine again to reset the system. If the message stays  
on, or comes back on again while you are driving, the  
vehicle is in need of service. See your dealer/retailer.  
If the antilock brake system (ABS) warning light is on  
and the regular brake system warning light is not on,  
you still have brakes, but do not have ABS. If the regular  
brake system warning light is also on, you do not have  
ABS and there is a problem with the brakes. See Antilock  
If the REDUCED ENGINE POWER message is  
displayed in combination with the COOLANT OVER  
TEMPERATURE message, see Engine Overheating  
on page 5-39.  
SERVICE ACTIVE HANDLING SYSTEM  
This message displays if there is a problem with the  
Active Handling System and the vehicle needs service.  
The active handling system light on the instrument panel  
cluster also turns on and a sound will be heard. See your  
dealer/retailer. When this message is displayed, the  
system is not working. Adjust your driving accordingly.  
See Active Handling System on page 4-7 for more  
information.  
If this message is displayed, the Traction Control  
System (TCS) and the Active Handling System will  
also be disabled. The DIC will scroll three messages:  
SERVICE ANTILOCK BRAKES, SERVICE TRACTION  
SYSTEM, and SERVICE ACTIVE HANDLING, and the  
instrument panel cluster lights will come on along with  
a sound. When the service message is displayed, the  
computer controlled systems will not assist the driver.  
Have the system repaired by your dealer/retailer as  
soon as possible. Adjust your driving accordingly.  
SERVICE AIR CONDITIONING  
This message displays when the electronic sensors that  
control the air conditioning and heating systems are no  
longer working. Have the climate control system serviced  
by your dealer/retailer if you notice a drop in heating and  
air conditioning efficiency.  
To acknowledge these messages, press the RESET  
button.  
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SERVICE CHARGING SYSTEM  
SERVICE RIDE CONTROL  
If this message displays while you are driving, there  
may be a problem with the electrical charging system.  
It could mean that there is a loose or broken drive belt  
or that there is another electrical problem. Have the  
vehicle checked right away by your dealer/retailer.  
Driving while this message is on could drain the battery.  
This message displays when the Selective Ride Control  
system has detected a malfunction and the system must  
be serviced. See your dealer/retailer. If a fault is present  
in the Selective Ride Control system which causes the  
shocks to be in their full soft condition, the messages  
SERVICE RIDE CONTROL, SHOCKS INOPERATIVE,  
and MAXIMUM SPEED 80 MPH (129 km/h) will display  
together. See Selective Ride Control on page 4-9 for  
more information.  
If you must drive a short distance with the message  
on, be certain to turn off the vehicle’s accessories, such  
as the radio and air conditioner.  
SERVICE TIRE MONITOR  
Multiple chimes sound when this message is displayed.  
To acknowledge the message, press the RESET  
button. The message reappears every 10 minutes  
until this condition changes.  
This message displays if a part on the Tire Pressure  
Monitor System (TPMS) is not working properly. The tire  
pressure light also flashes and then remains on during  
the same ignition cycle. See Tire Pressure Light on  
page 3-43. Several conditions may cause this message  
page 5-75 for more information. If the warning comes  
on and stays on, there may be a problem with the TPMS.  
See your dealer/retailer.  
SERVICE ELECTRICAL SYSTEM  
This message displays if an electrical problem has  
occurred within the Powertrain Control Module (PCM).  
Have the vehicle serviced by your dealer/retailer.  
SERVICE FUEL SYSTEM  
This message displays if the Powertrain Control Module  
(PCM) has detected a problem within the fuel system.  
Have the vehicle serviced by your dealer/retailer.  
This message also displays when the cluster is  
not getting fuel information from the PCM.  
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SERVICE TRACTION SYSTEM  
SET PARK BRAKE FOR SEAT RECALL  
If this message displays when you are driving, there is  
a problem with the Traction Control System (TCS) and  
the vehicle is in need of service. See your dealer/retailer.  
When this message is displayed, the system will not limit  
wheel spin. Adjust your driving accordingly.  
If the vehicle has a manual transmission, this message  
displays if you try to recall the memory positions  
when the ignition is on and the parking brake is not set.  
If the vehicle is on, you must set the parking brake in  
order for the memory positions to recall. See Memory  
Seat, Mirrors and Steering Wheel on page 1-4 for more  
information.  
The traction control system (TCS) warning light on  
the instrument panel cluster will also turn on and  
a sound will be heard.  
SET PARK BRAKE TO MOVE TOP  
When this message is displayed, the computer  
controlled systems will not assist the driver in  
controlling the vehicle. Have the system repaired  
by your dealer/retailer as soon as possible. Adjust your  
driving accordingly. See Traction Control System (TCS)  
on page 4-6 for more information.  
If the vehicle has a manual transmission, this message  
displays and a sound will be heard if you try to operate  
the power convertible top without first setting the parking  
brake. Set the parking brake before trying to operate the  
power convertible top. See Convertible Top (Manual) on  
page 2-62 or Convertible Top (Power) on page 2-69 for  
more information.  
To acknowledge the message, press the RESET button.  
SERVICE TRANSMISSION  
SHIFT TO PARK  
This message displays when there is a problem with the  
transmission. See your dealer/retailer for service.  
If the vehicle has an automatic transmission, this  
message displays if the vehicle is not in P (Park) when  
the engine is being turned off. The vehicle will be in  
ACCESSORY Once the shift lever is moved to P (Park),  
the vehicle will turn off.  
SERVICE VEHICLE SOON  
This message displays and a sound will be heard when  
there may be an electrical or another system problem  
with the vehicle. Have your vehicle checked by your  
dealer/retailer if this message keeps appearing.  
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The vehicle will remain in ACCESSORY, without the  
20 minute time-out period, until the shift lever is moved  
to P (Park) or until the driver presses the pushbutton  
to restart the vehicle. See Ignition Positions on  
page 2-23 for more information.  
TIRE FLAT  
{ CAUTION:  
SHIFT TO PARK OR SET PARK BRAKE  
FOR TOP  
When the LOW TIRE PRESSURE or TIRE FLAT  
message is displayed on the Driver Information  
Center, your vehicle’s handling capabilities will be  
reduced during severe maneuvers. If you drive too  
fast, you could lose control of your vehicle. You or  
others could be injured. Do not drive over 55 mph  
(90 km/h) when the LOW TIRE PRESSURE or  
TIRE FLAT message is displayed. Drive cautiously  
and check your tire pressures as soon as you can.  
If the vehicle has an automatic transmission, this  
message displays and a sound will be heard if you try  
to operate the power convertible top without first shifting  
into P (Park) or setting the parking brake. Either shift the  
vehicle into P (Park) or set the parking brake before trying  
to operate the power convertible top. See Convertible  
on page 2-69 for more information.  
SHOCKS INOPERATIVE  
This message displays when one or more of the tires is  
flat. This message also displays LEFT FRONT, RIGHT  
FRONT, LEFT REAR, or RIGHT REAR to indicate  
which tire is affected. Multiple chimes sound and the  
tire pressure light on the instrument panel cluster comes  
on when this message is displayed. See Tire Pressure  
Light on page 3-43.  
This message displays when a malfunction is present  
in the Selective Ride Control system which is causing  
the shocks to be in their full soft mode. This is a warning  
to the driver that the vehicle handling may be affected.  
Have the vehicle serviced by your dealer/retailer as  
soon as possible.  
To acknowledge the message, press the RESET button.  
The message reappears every 10 minutes until this  
condition changes.  
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This message is followed by the MAXIMUM SPEED  
55 MPH (90 km/h) message, and then by the REDUCED  
HANDLING message. The Active Handling System  
will intervene more quickly when a flat tire has been  
detected. Adjust your driving accordingly.  
TOP MOTOR OVER TEMPERATURE  
This message displays and a sound will be heard when  
the power convertible top button is pressed and the  
power convertible top pump motor temperature is over  
221°F (105°C). Wait for the power convertible top  
pump motor to cool down before using the power  
convertible top.  
You can receive more than one tire pressure message  
at a time. To read other messages that may have been  
sent at the same time, press the RESET button. If a tire  
pressure message appears on the DIC, stop as soon  
as you can. Have the tire pressures checked and set  
to those shown on the Tire Loading Information label.  
page 4-23, Inflation - Tire Pressure on page 5-71, and  
Tire Pressure Monitor System on page 5-73. The DIC  
also shows the tire pressure values. See DIC Operation  
and Displays on page 3-50.  
TOP NOT SECURE  
This message displays and a sound will be heard when  
the power convertible top button is released before the  
top open or close operation is complete or if the top is  
closed without the header latch engaged. Press and hold  
the convertible top button to fully open or close the top,  
and make sure that the header latch is engaged after  
the top is closed.  
To acknowledge the message, press the RESET button.  
A message reappears every 10 minutes until the  
condition is corrected.  
TRACTION SYSTEM ACTIVE  
This message displays when the Traction Control  
System (TCS) is limiting wheel spin. Slippery road  
conditions may exist if this message is displayed, so  
adjust your driving accordingly. The message stays on  
for a few seconds after the TCS stops limiting wheel  
spin. See Traction Control System (TCS) on page 4-6  
for more information.  
TOO COLD TO MOVE TOP  
This message displays and a sound will be heard when  
the power convertible top button is pressed and the  
power convertible top pump motor temperature is below  
-4°F (-20°C). Wait for the power convertible top pump  
motor to warm up before using the power convertible top.  
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TRACTION SYSTEM AND ACTIVE  
HANDLING – OFF  
TRACTION SYSTEM – OFF  
This message displays and stays on, a sound will be  
heard, and the traction control system (TCS) warning light  
on the instrument panel cluster turns on when the TCS  
is turned off by pressing the Active Handling System  
button on the console. See Traction Control System  
This message displays, the instrument panel cluster  
light turns on, and a sound will be heard when the  
Traction Control System (TCS) and Active Handling  
System are turned off by pressing the Active Handling  
System button on the console for five seconds.  
The Antilock Brake System (ABS) remains on with the  
TCS and Active Handling System off. Adjust your driving  
accordingly. See Traction Control System (TCS) on  
page 4-6 and Active Handling System on page 4-7  
for more information.  
Control System (TCS) on page 4-6 for more information.  
To acknowledge the message, press the RESET  
button.  
TRACTION SYSTEM – ON  
To acknowledge this message, press the RESET  
button.  
This message displays and a sound will be heard  
when the Traction Control System (TCS) is turned on  
by pressing the Active Handling System button on the  
console. This message automatically clears from the DIC  
display on its own. See Traction Control System (TCS)  
on page 4-6 for more information.  
TRACTION SYSTEM AND ACTIVE  
HANDLING – ON  
If the Traction Control System (TCS) and Active  
Handling System are off, this message displays briefly,  
the instrument panel cluster light turns off, and a sound  
will be heard when the TCS and Active Handling System  
are turned on by briefly pressing the Active Handling  
System button on the console. See Traction Control  
System on page 4-7 for more information.  
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To acknowledge the message, press the RESET button.  
The message reappears every 10 minutes until this  
condition changes. If you do not press the RESET button,  
the message remains on the display until the condition  
changes.  
TRANSMISSION HOT IDLE ENGINE  
This message displays and four chimes sound if the  
transmission fluid temperature rises above 270°F (132°C)  
or rises rapidly. The transmission may shift gears or  
apply the torque converter clutch to reduce the fluid  
temperature. Driving aggressively or driving on long hills  
can cause the transmission fluid temperature to be higher  
than normal. If this message appears, you may continue  
to drive at a slower speed. Monitor the transmission fluid  
temperature and allow it to cool to at least 230°F (110°C).  
The transmission fluid temperature can be monitored  
with the gages button on the DIC. See DIC Operation  
Fluid on page 5-31. Also check the engine coolant  
temperature. If it is also hot, see Engine Overheating  
on page 5-39.  
TURN SIGNAL ON  
This message displays and a sound will be heard if a  
turn signal is left on for three-quarters of a mile (1.2 km).  
Move the turn signal/multifunction lever to the off  
position.  
To acknowledge this message, press the RESET  
button.  
UNLATCH HEADER TO MOVE TOP  
This message displays and a sound will be heard if you  
try to lower the convertible top without first unlocking  
the top. Move the latch handle to unlock the convertible  
top. See Convertible Top (Manual) on page 2-62 or  
Convertible Top (Power) on page 2-69.  
If this message is displayed during normal vehicle  
operation on flat roads, the vehicle may need service.  
See your dealer/retailer for an inspection.  
If driving in a performance or competitive manner,  
the use of (S) Sport Automatic Mode or (S) Sport  
Manual Paddle Shift gear selection is recommended.  
for more information.  
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INTRUSION SENSOR OFF, if your vehicle has this  
feature  
Other Messages  
Here are more messages that you can receive on your  
Driver Information Center (DIC). To acknowledge a  
message and read another message that may have  
come on at the same time, press the RESET button.  
INTRUSION SENSOR ON, if your vehicle has this  
feature  
KNOWN FOB  
ACCESSORY MODE ON  
See “Matching Transmitter(s) to Your Vehicle” under  
BATTERY VOLTAGE HIGH  
See Voltmeter Gage on page 3-38.  
MAXIMUM NUMBER OF FOBS LEARNED  
See “Matching Transmitter(s) to Your Vehicle” under  
BATTERY VOLTAGE LOW  
See Voltmeter Gage on page 3-38.  
CHECK WASHER FLUID  
OFF–ACCESSORY TO LEARN  
See “Matching Transmitter(s) to Your Vehicle” under  
See Windshield Washer Fluid on page 5-42.  
CRUISE SET TO XXX MPH (XXX km/h)  
See Cruise Control on page 3-10.  
DRIVER DOOR AJAR  
PASSENGER DOOR AJAR  
READY FOR FOB #X  
See “Matching Transmitter(s) to Your Vehicle” under  
FOB AUTOLEARN WAIT XX MINUTES  
TONNEAU AJAR (Convertible)  
TRUNK AJAR (Convertible)  
UPSHIFT NOW  
See “Matching Transmitter(s) to Your Vehicle” under  
FOB BATTERY LOW  
See “Battery Replacement” under Keyless Access  
System Operation on page 2-5.  
See Manual Transmission Operation on page 2-30.  
HATCH AJAR (Coupe)  
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The current driver’s preferences are recalled when one  
of the following occurs:  
DIC Vehicle Personalization  
Many features on your vehicle can be personalized.  
This means that the operation of these features can be  
set to operate differently depending on who is driving  
the vehicle. See “Personal Options” later in this section  
for the features that you can personalize.  
The lock or unlock button on the keyless access  
transmitter, labelled 1 or 2, is pressed.  
The appropriate memory button, 1 or 2, located  
on the driver’s door is pressed. See Memory  
for more information.  
The personalization settings for other features are  
automatically updated and saved as the driver adjusts  
them. These include the following settings and presets:  
A valid keyless access transmitter is detected upon  
opening the driver’s door.  
The radio presets, tone, volume, fade, balance,  
equalization (EQ) settings and source (radio or CD)  
If more than one valid keyless access transmitter is  
detected upon opening the driver’s door, the driver  
preferences for the lowest driver number will be recalled.  
The last climate control setting  
The Head-Up Display (HUD) position and dimming  
level, if your vehicle has this feature  
If a keyless access transmitter that is not labelled 1 or 2  
is used, the personalization system will not recognize the  
transmitter. The Driver Information Center (DIC) will not  
display a current driver number and the features that are  
normally programmed through the DIC will be set to the  
default states. Also, if the OPTION button is pressed,  
the DIC does not display the menus used to set  
personalizations, but instead displays OPTIONS  
UNAVAILABLE for a few seconds.  
The instrument panel cluster dimming level and last  
selected DIC display  
Separate personalization settings are saved for  
two different drivers. One of the keyless access  
transmitters is assigned to driver 1. The other is  
assigned to driver 2. The back of the keyless access  
transmitters are labelled 1 or 2 to correspond to each  
driver.  
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Entering the Personal Options Menu  
Personal Options  
To enter the personal options menu, use the following  
steps:  
The following options are available for programming:  
Display Units: This option allows you to choose  
the measurement units.  
1. If you have an automatic transmission vehicle, turn  
the vehicle on with the shift lever in P (Park).  
Press the OPTION button until DISPLAY UNITS  
appears on the display, then press the RESET button  
to scroll through the following modes:  
If you have a manual transmission vehicle, turn the  
vehicle on with the parking brake set.  
To avoid excessive drain on the battery, it is  
recommended that the headlamps are turned off.  
ENGLISH (default)  
METRIC  
2. Press the OPTION button and you will enter the  
PERSONAL OPTIONS menu.  
If you choose ENGLISH, all information will be displayed  
in English units.  
The DIC will display the current driver  
number (1 or 2) for a few seconds and then will  
display instructions on which buttons to use for  
setting the personalizations. The RESET button  
is used to select a setting for a particular feature.  
The OPTION button is used to move to the next  
feature.  
If you choose METRIC, all information will be displayed  
in metric units.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance to  
the next personal option.  
3. Press the OPTION button while the instruction  
screen is displayed to enter the first personalization  
menu item.  
Auto Memory Recall (Automatic Transmission only):  
If your automatic transmission vehicle has the memory  
package, you may have this option. This option allows  
the driver’s seat, the telescopic steering column, if your  
vehicle has this feature, and the outside rearview mirrors  
to automatically move to the current driver’s set position  
when the engine starts.  
4. Once you have cycled through all of the personal  
options, pressing the OPTION button a final time  
exits the personal options menu. In addition, if no  
button is pressed within 45 seconds, the DIC will  
exit the personal options menu.  
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Press the OPTION button until AUTO MEMORY RECALL  
appears on the display, then press the RESET button to  
scroll through the following modes:  
In order for the Auto Exit Recall feature to work on  
an automatic transmission vehicle, the vehicle must  
be in P (Park). On a manual transmission vehicle,  
the parking brake must be set.  
YES  
Press the OPTION button until AUTO EXIT RECALL  
appears on the display, then press the RESET button  
to scroll through the following modes:  
NO (default)  
If you choose YES, the driver’s seat, the outside  
rearview mirrors and the telescopic steering column,  
if your vehicle has this feature, positions are recalled  
when you turn the ignition on.  
YES  
NO (default)  
If you choose NO, this option will turn off.  
If you choose YES, when you turn the ignition off and  
open the driver’s door or press the unlock button on the  
keyless access transmitter, the seat and the telescopic  
steering wheel, if your vehicle has this feature, will return  
to their stored exit positions for an easy exit or an easy  
entrance when returning to the vehicle.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance  
to the next personal option.  
Auto Exit Recall: If your vehicle has the memory  
package, you may have this option. This option allows  
the driver’s seat and telescopic steering column, if your  
vehicle has this feature, to automatically move to the  
current driver’s exit position when one of the following  
occurs:  
The seat and steering wheel will only return to the  
stored driving position if you press the appropriate  
memory button or activate the auto memory recall  
feature.  
If you choose NO, this option will turn off.  
The vehicle is turned off or in Retained Accessory  
Power (RAP) or accessory mode and the driver’s  
door is opened.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance  
to the next personal option.  
The vehicle is turned off or in RAP and the unlock  
button on the keyless access transmitter is pressed.  
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Approach Lights: This option briefly turns on the  
parking lamps, the high-beam headlamps and the  
back-up lamps during low light periods when the  
keyless access transmitter is used to unlock the vehicle.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance to  
the next personal option.  
Twilight Delay: This option allows you to set the  
amount of time you want the parking lamps and  
high-beam headlamps to remain on after you exit  
the vehicle. This will occur when the vehicle is off or in  
RAP and the headlamps are on due to the automatic  
headlamp system. The parking lamps and high-beam  
headlamps will remain on until the driver selected time  
expires, the exterior lamp control is activated or the  
vehicle is no longer off or in RAP.  
Press the OPTION button until APPROACH LIGHTS  
appears on the display, then press the RESET button to  
scroll through the following modes:  
OFF  
ON (default)  
If you choose OFF, this option will turn off.  
If you choose ON, the parking lamps, the high-beam  
headlamps, and the back-up lamps will come on  
for 20 seconds during low light periods when all  
of the following occurs:  
Press the OPTION button until TWILIGHT DELAY  
appears on the display, then press the RESET button  
to scroll through the following modes:  
OFF  
You press the unlock button on the keyless access  
transmitter.  
15 S  
Both of the doors are closed.  
The vehicle is off or in RAP.  
30 S (default)  
90 S  
The lamps remain on for 20 seconds or until a door is  
opened, the lock button on the keyless access transmitter  
is pressed or the vehicle is no longer off or in RAP.  
If you choose OFF, this option will turn off.  
If you choose 15 S, the twilight delay time will be set to  
15 seconds.  
See Keyless Access System on page 2-4 for more  
information.  
If you choose 30 S, the twilight delay time will be set to  
30 seconds.  
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If you choose 90 S, the twilight delay time will be set to  
90 seconds.  
Flash at Lock: This option activates the front and rear  
turn signals for one long flash when the lock button on the  
keyless access transmitter is pressed. This will only occur  
when the vehicle is off. If the lock button on the keyless  
access transmitter is pressed again within five seconds,  
the horn will sound regardless of which setting you have  
selected.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance  
to the next personal option.  
Flash at Unlock: This option activates the front and  
rear turn signals for two short flashes when the unlock  
or hatch/trunk button on the keyless access transmitter  
is pressed. This will only occur when the vehicle is off.  
Press the OPTION button until FLASH AT LOCK appears  
on the display, then press the RESET button to scroll  
through the following modes:  
Press the OPTION button until FLASH AT UNLOCK  
appears on the display, then press the RESET button to  
scroll through the following modes:  
YES (default)  
NO  
If you choose YES, the front and rear turn signals will  
flash once when you press the lock button on the  
keyless access transmitter.  
YES (default)  
NO  
If you choose YES, the front and rear turn signals  
will flash twice when you press the unlock button or the  
hatch/trunk button on the keyless access transmitter.  
If you choose NO, this option will turn off.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance  
to the next personal option.  
If you choose NO, this option will turn off.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance to  
the next personal option.  
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FOB Reminder: This option sounds the horn three  
times when the driver’s door is closed and there is a  
keyless access transmitter inside the interior of the  
vehicle. This will only occur when the vehicle is off.  
For example, if there are two keyless access transmitters  
in the vehicle and one is removed, the other will be locked  
in. The keyless access transmitter locked in the vehicle  
can still be used to start the vehicle or unlock the doors, if  
needed. A person approaching the outside of the locked  
vehicle without an authorized keyless access transmitter,  
however, will not be able to open the door, even with a  
transmitter in the vehicle.  
Press the OPTION button until FOB REMINDER appears  
on the display, then press the RESET button to scroll  
through the following modes:  
YES  
You may temporarily disable the passive door locking  
feature by pressing the door unlock switch for  
three seconds on an open door. Passive door locking  
will then remain disabled until a door lock switch is  
pressed or until the power mode transitions from the  
off power mode.  
NO (default)  
If you choose YES, the horn will sound three times  
when a keyless access transmitter is inside of the  
vehicle while the ignition is turned off and the driver’s  
door is closed.  
Press the OPTION button until PASSIVE DOOR  
LOCKING appears on the display, then press the  
RESET button to scroll through the following modes:  
If you choose NO, this option will turn off.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance to  
the next personal option.  
OFF (default)  
SILENT  
Passive Door Locking: This option allows you to  
select whether the doors automatically lock during normal  
vehicle exit. When the ignition is turned off and all doors  
become closed, the vehicle will determine how many  
keyless access transmitters remain in the vehicle interior.  
If at least one keyless access transmitter has been  
removed from the interior of the vehicle, the doors  
will lock after a short delay.  
HORN  
If you choose OFF, this option will turn off.  
If you choose SILENT, the doors will automatically  
lock a short time after you remove a keyless access  
transmitter from the interior of the vehicle and close  
both doors.  
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If you choose HORN, the doors will automatically lock  
and the horn will sound a short time after you remove  
a keyless access transmitter from the interior of the  
vehicle and close both doors.  
If you choose BOTH, both doors will automatically  
unlock when you approach and open the driver’s door  
with the keyless access transmitter.  
Auto Unlock: This option allows you to select whether  
the driver’s door, both doors or neither door automatically  
unlocks when the shift lever is moved into P (Park) for  
automatic transmission vehicles or when the ignition is  
turned off or is in RAP for manual transmission vehicles.  
If you are parking in a quiet area and do not want the  
horn to sound when the doors lock, press the lock button  
on the keyless access transmitter immediately after  
removing it from the interior and closing the doors.  
This will lock the doors and cancel the passive locking  
for this ignition cycle.  
Press the OPTION button until AUTO UNLOCK appears  
on the display, then press the RESET button to scroll  
through the following modes:  
When the mode you want is selected, press the  
OPTION button to set your choice and advance  
to the next personal option.  
OFF  
DRIVER  
Passive Door Unlock: This option allows you to select  
which doors will automatically unlock when you approach  
and open the driver’s door with the keyless access  
transmitter. See Door Locks on page 2-10 for more  
information.  
BOTH (default)  
If you choose OFF, this option will turn off.  
If you choose DRIVER, on automatic transmission  
vehicles, the driver’s door will automatically unlock  
when the shift lever is moved into P (Park). On manual  
transmission vehicles, the driver’s door will automatically  
unlock when the ignition is turned off or is in RAP.  
Press the OPTION button until PASSIVE DOOR  
UNLOCK appears on the display, then press the  
RESET button to scroll through the following modes:  
DRIVER (default)  
BOTH  
If you choose BOTH, on automatic transmission  
vehicles, both doors will automatically unlock when  
the shift lever is moved into P (Park). On manual  
transmission vehicles, both doors will automatically  
unlock when the ignition is turned off or is in RAP.  
If you choose DRIVER, only the driver’s door will  
automatically unlock when you approach and open  
the driver’s door with the keyless access transmitter.  
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When the mode you want is selected, press the  
OPTION button to set your choice and advance  
to the next personal option.  
When the mode you want is selected, press the  
OPTION button to set your choice and advance to the  
next personal option.  
Language: This option allows you to select the  
language the DIC, the Head-Up Display (HUD), if your  
vehicle has this feature, and the radio uses to display  
messages. Each language mode will be displayed in its  
own language. For example, English will be displayed as  
ENGLISH, Spanish as ESPANOL, etc. If your vehicle has  
the navigation system, you will not have the Japanese  
language mode.  
Personalize Name: This option allows you to type  
in a name or greeting that will appear on the DIC  
display whenever the corresponding keyless access  
transmitter (1 or 2) is used or one of the memory  
buttons (1 or 2) located on the driver’s door is pressed.  
Press the OPTION button until PERSONALIZE NAME  
appears on the display, then press the RESET button  
to scroll through the following modes:  
Press the OPTION button until LANGUAGE appears  
on the display, then press the RESET button to  
scroll through the following modes:  
YES  
NO (default)  
ENGLISH (default)  
DEUTSCH (German)  
FRANCAIS (French)  
ITALIANO (Italian)  
ESPANOL (Spanish)  
If you choose YES, you can type in a name that will  
appear on the DIC display.  
To program a name, use the following procedure:  
1. Enter the PERSONAL OPTIONS menu and  
select the driver number (1 or 2) that you would  
like to program by following the instructions listed  
previously under “Entering the Personal  
Options Menu”.  
If you choose a language that you do not understand,  
press the OPTION and RESET buttons for five seconds.  
The DIC will begin displaying all of the various languages  
one by one for as long as the buttons are pressed. When  
the desired language is displayed, release the buttons  
and the DIC will set to this language.  
2. Press the OPTION button until the PERSONALIZE  
NAME option appears on the display.  
3. Select YES under PERSONALIZE NAME by  
pressing the RESET button.  
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4. Press the OPTION button and a cursor will display  
where you can insert a letter.  
7. Repeat Steps 5 and 6 until the name or greeting  
you want is complete. After the name or greeting  
is complete, keep pressing the RESET button  
until the display turns blank and exits out of this  
option. You can program up to 20 characters.  
5. Press the OPTION button again until the letter you  
want is displayed. To scroll through the letters faster  
and without a beeping noise, keep the OPTIONS  
button depressed. There are alpha/numeric  
characters and a blank space available.  
If you choose NO, this option will turn off.  
If a customized name or greeting is not programmed,  
the DIC display will show Driver 1 or Driver 2 to  
correspond with either the number on the back of the  
keyless access transmitter (1 or 2) that is being used  
or to the memory button (1 or 2) that is pressed.  
6. Then press the RESET button to select the letter of  
your choice and proceed on to the next space to  
the right.  
If you make a mistake and would like to clear or  
replace a letter, perform the following steps:  
PERSONALIZE NAME is the last option available to  
program in the PERSONAL OPTIONS menu. Pressing  
the OPTION button after this setting will exit you from the  
PERSONAL OPTIONS menu. The last item you were in  
prior to entering PERSONAL OPTIONS will then display  
on the DIC.  
6.1. Press the RESET button to reach the letter  
you would like to change.  
6.2. Press the OPTION button to scroll through  
the letter choices.  
6.3. Press the RESET button to select the letter  
and proceed on to the next space to the right.  
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Notice: Contact your dealer/retailer before adding  
any equipment.  
Audio System(s)  
Determine which radio the vehicle has and read the  
following pages to become familiar with its features.  
Adding audio or communication equipment could  
interfere with the operation of the vehicle’s engine,  
radio, or other systems, and could damage them.  
Follow federal rules covering mobile radio and  
telephone equipment.  
{ CAUTION:  
The vehicle has Retained Accessory Power (RAP).  
With RAP, the audio system can be played even after  
the ignition is turned off. See Retained Accessory Power  
(RAP) on page 2-24 for more information.  
Taking your eyes off the road for extended periods  
could cause a crash resulting in injury or death to  
you or others. Do not give extended attention to  
entertainment tasks while driving.  
Setting the Clock  
This system provides access to many audio and non  
audio listings.  
To set the clock:  
1. Press and hold H until the correct hour displays.  
2. Press and hold M until the correct minute displays.  
To minimize taking your eyes off the road while driving,  
do the following while the vehicle is parked:  
3. Press the tune knob to select between the 12 or  
24 hour display format.  
Become familiar with the operation and controls of  
the audio system.  
The clock mode automatically times out with the  
changed display format set as the current default setting.  
Set up the tone, speaker adjustments, and preset  
radio stations.  
For more information, see Defensive Driving on  
page 4-2.  
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Playing the Radio  
Radio(s)  
Top Knob (Power/Volume): Press to turn the system  
on and off. Turn to increase or decrease the volume.  
MUTE: Press to silence the system. Press again to turn  
the sound on.  
This button is not available on the Six-Disc CD Radio.  
4 (Information): Press until the desired display is  
shown, then hold for two seconds until radio beeps once  
to change the default display. The selected display is now  
the default.  
For RDS:  
Press 4 to change the display. The display options are  
station name, RDS station frequency, PTY, and the name  
of the program (if available).  
Single CD Radio shown, Six-Disc CD Radio similar  
The vehicle has one of these radios as its audio  
system.  
For XM™:  
Press 4 to retrieve four different categories of information  
related to the current song or channel: Artist, Song Title,  
Category or PTY, Channel Number/Channel Name.  
An indicator light on the upper left side of the radio  
flashes when the ignition is off, to indicate the theft  
deterrent feature is set. For more information, see  
Theft-Deterrent Feature on page 3-107.  
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To adjust the Fade:  
Audio Settings  
Press and release O e until FADE displays  
Press and hold O e when no tone or speaker control  
is displayed to adjust all tone and speaker controls  
to the middle position. AUDIO SETTINGS CENTERED  
displays.  
Turn the O e knob to move the sound toward the  
front or the rear speakers.  
Press and hold the O e knob until the level  
Adjusting the Tone (Bass/Treble)  
changes to the middle position.  
AUTO EQ (Automatic Equalization): The radio saves  
separate AUTO EQ settings for each preset and source.  
O e (Bass/Treble): To adjust the Bass or Treble:  
Press and release O e until BASS or TREBLE  
For vehicles without the Bose® sound system:  
displays.  
Press AUTO EQ to select equalization settings  
designed for CLASSICAL, POP, ROCK, JAZZ,  
TALK, and COUNTRY.  
Turn the O e knob to increase or to decrease the  
level.  
Press and hold the O e knob until the level  
Selecting CUSTOM or changing bass or treble,  
returns the EQ to the manual bass and treble  
settings.  
For vehicles with the Bose® sound system:  
changes to the middle position.  
Adjusting the Speakers (Balance/Fade)  
O e (Balance/Fade): To adjust the Balance:  
Press and release O e until BALANCE displays.  
Press AUTO EQ to select equalization settings  
from EQ1 through EQ6.  
Selecting CUSTOM or changing bass or treble,  
returns the EQ to the manual bass and treble  
settings.  
Turn the O e knob to move the sound toward the  
right or the left speakers.  
Press and hold the O e knob until the level  
changes to the middle position.  
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For vehicles with the Bose® sound system:  
AUTO n (Automatic Volume): Automatic volume  
automatically adjusts the audio system to make up  
for road and wind noise, by increasing the volume  
as vehicle speed increases.  
For vehicles without the Bose® sound system:  
1. Set the volume at the desired level.  
Vehicles with the Bose® sound system include Bose®  
AudioPilot® noise compensation technology. AudioPilot®  
continuously adjusts the audio system equalization  
to compensate for background noise. This feature  
is most effective at lower radio volume settings where  
background noise can affect how well the audio is heard.  
At higher volume settings, there may be little or no  
adjustments by AudioPilot®. For additional information  
on AudioPilot®, visit bose.com/audiopilot.  
2. Press AUTO n to select AUTO VOLUME MIN  
(minimum), AUTO VOLUME MED (medium), or  
AUTO VOLUME MAX (maximum). Each higher  
setting provides more volume compensation  
at faster vehicle speeds.  
To use AudioPilot®:  
1. Set the volume at the desired level.  
3. Press AUTO n until AUTO VOLUME OFF  
2. Press AUTO n until AUTO VOLUME ON  
displays to turn automatic volume off.  
displays.  
3. Press AUTO n until AUTO VOLUME OFF  
displays to turn off AudioPilot®.  
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XM™ Satellite Radio Service  
Using the Radio  
Radio Data System (RDS)  
XM is a satellite radio service that is based in the  
48 contiguous United States and 10 Canadian provinces.  
XM Satellite Radio has a wide variety of programming  
and commercial-free music, coast-to-coast, and in  
digital-quality sound. During your trial or when you  
subscribe, you will get unlimited access to XM Radio  
Online for when you are not in the vehicle. A service  
fee is required to receive the XM service. For more  
information, contact XM at xmradio.com or call  
1-800-929-2100 in the U.S. and xmradio.ca or  
call 1-877-438-9677 in Canada.  
RDS features are available for use only on FM stations  
that broadcast RDS information. The station name or call  
letters display while the radio is tuned to an RDS station.  
This system relies upon receiving specific information  
from these stations and works only when the information  
is available. In rare cases, a radio station can broadcast  
incorrect information that causes the radio features  
to work improperly. If this happens, contact the radio  
station.  
With RDS, the radio can:  
Finding an FM/AM/XM Station  
Seek to stations broadcasting the selected type of  
programming.  
BAND: Press to switch between FM1, FM2, AM, XM1  
or XM2.  
Receive announcements concerning local and  
national emergencies.  
O e (Tune): Turn to select radio stations.  
Display messages from radio stations.  
Seek to stations with traffic announcements.  
Provide the time of day.  
t SEEK u : Press to go to the previous or to the next  
station and stay there.  
The radio only stops at stations with a strong signal.  
Provide a program type (PTY) for current  
programming.  
t SCAN u : Press and hold t or u for two seconds  
until FREQUENCY SCAN displays. The radio goes  
to a station, plays for a few seconds, then goes on to  
Provide the name of the program being broadcast.  
the next station. Press t or u again to stop scanning.  
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To scan preset stations:  
Finding a Category (CAT) Station  
(XM Satellite Radio Service Only)  
Press and hold t or u for four seconds until PRESET  
SCAN displays. The radio goes to the next preset station,  
plays for a few seconds, then goes to the next preset  
station. Press t or u again or one of the pushbuttons  
to stop scanning presets.  
To select an XM station by category:  
1. Press CAT. The last selected category displays.  
2. Turn the O e knob to select a category.  
3. Press t or u to go to a category’s station.  
The radio only scans stations with a strong signal.  
SEEKING CATEGORY displays.  
1-6 (Preset Pushbuttons): Press to play stations that  
are programmed to the radio preset pushbuttons.  
4. To go to another station within that category,  
press the CAT button to display the category,  
Setting Preset Stations  
then press t or u to go to another station.  
Up to 30 stations (six FM1, six FM2, and six AM,  
six XM1 and six XM2), and equalization settings for  
each station can be programmed on the six numbered  
pushbuttons.  
If the radio cannot find the desired category, NONE  
displays and the radio returns to the last station tuned.  
SCAN: To scan the stations within a category:  
1. Press CAT. The last selected category displays.  
To set presets:  
2. Turn the O e knob to select a category.  
1. Turn the radio on.  
2. Press BAND to select FM1, FM2, AM, or XM1  
or XM2.  
3. Press and hold t or u until a beep sounds and  
SCAN CATEGORY displays. The radio begins  
scanning the stations in the category.  
3. Tune in the desired station.  
4. Press AUTO EQ to select the equalization.  
4. Press t or u to stop scanning.  
5. Press and hold one of the six numbered  
pushbuttons until the radio beeps once.  
6. Repeat the steps for each pushbutton.  
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If the entire message is not displayed, parts of the  
message appears every three seconds. To scroll through  
Radio Messages  
CAL ERR (Calibration Error): Displays if the radio is  
no longer configured properly for the vehicle. The vehicle  
must be returned to your dealer/retailer for service.  
the message, press and release 4 . A new group of  
words display after every press of the button. Once  
the complete message has displayed, INFO disappears  
from the display until another new message is received.  
The last message can be displayed by pressing this  
button. The last message until a new message is  
received or the radio is tuned to a different station.  
LOC (Locked): Displays when the THEFTLOCK®  
system has locked up. The vehicle must be returned to  
your dealer/retailer for service.  
If any error occurs repeatedly or cannot be corrected,  
contact your dealer/retailer.  
NO INFO displays when a message is not available from  
a station.  
RDS Messages  
TRAF (Traffic): TA (traffic) displays when the station  
broadcasts traffic announcements, the announcement  
will be played.  
ALERT!: Alert warns of local or national emergencies.  
When an alert announcement comes on the current  
radio station, ALERT! displays. The announcement is  
heard, even if the volume is low or a CD is playing.  
If a CD is playing, play stops during the announcement.  
Alert announcements cannot be turned off.  
Press TRAF and the radio seeks to a station that  
broadcasts traffic announcements. When a station  
is found, the radio stops seeking and TA displays.  
NO TRAFFIC INFO displays if a station that broadcasts  
traffic announcements can not be found.  
ALERT! is not affected by tests of the emergency  
broadcast system. This feature is not supported by  
all RDS stations.  
Press TRAF to turn off the traffic announcements if TA is  
on the display.  
4 (Information): If the current station has a message,  
The radio plays the traffic announcement even if the  
volume is low. The radio interrupts the play of a CD if the  
last tuned station broadcasts traffic announcements.  
INFO (information) displays. Press 4 to see the message.  
The message can display the artist, song title, call in  
phone numbers, etc.  
This function does not apply to XM Satellite Radio  
Service.  
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Six-Disc CD Radio:  
Radio Messages for XM Only  
If more than one CD has been loaded, a number for  
each CD displays.  
See XM Radio Messages on page 3-96 XM Radio  
Messages later in this section for further detail.  
M (Load): Press to load CDs into the CD player.  
To insert one CD:  
Using the CD Player  
The CD player can play smaller 3 inch (8 cm) single  
CDs with an adapter ring.  
1. Press M .  
A CD in the player it stays in the player when the  
ignition is turned off. When the ignition or radio is  
turned on, the CD starts to play where it stopped,  
if it was the last selected audio source.  
2. Load a CD and insert the CD partway into the  
slot, label side up when INSERT CD # displays.  
The player pulls the CD in.  
To insert multiple CDs:  
Loading a CD  
1. Press and hold M for two seconds. Two beeps  
Single CD Radio:  
sound and LOAD ALL DISCS displays.  
Insert the CD partway into the slot, label side up, until  
the player pulls the CD in. The CD begins playing  
automatically.  
2. Load a CD and insert the CD partway into the  
slot, label side up when INSERT CD # displays.  
The player pulls the CD in.  
The CD symbol displays when a CD is inserted, and  
the track number displays when each new track starts  
to play.  
3. Wait for INSERT CD # to display after the previous  
CD is loaded, then load the next CD. The CD player  
takes up to six CDs.  
To load more than one CD but less than six, complete  
Steps 1 through 3. When finished loading CDs, press  
the M button to cancel the loading function. The radio  
begins to play the last CD loaded.  
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AUTO EQ (Automatic Equalization): Press to  
select the equalization setting while playing a CD.  
The equalization is stored when a CD is played.  
For more information on AUTO EQ, see “AUTO EQ”  
listed previously in this section.  
Playing a CD  
O e (Tune): Turn to go to the next or previous track.  
{ (Reverse): Press and hold to reverse within the  
current track.  
BAND: Press to listen to the radio when a CD is  
playing. The inactive CD(s) remains inside the radio  
for future listening.  
| (Fast Forward): Press and hold to fast forward  
through the current track.  
CD AUX (Auxiliary): Press to play a CD when listening  
to the radio. CD displays when a CD is in the player. If  
your system has a remote playback device, pressing this  
button a second time allows the remote device to play.  
t SEEK u : Press the left arrow to go to the start of  
the current track if more than eight seconds have played.  
Press the right arrow to go to the start of the next track.  
If either arrow is held or pressed more than once, the  
player continues moving backward or forward through  
the CD.  
X (Eject): Press to eject a CD from the Single CD  
Radio and the Six-Disc CD Radio.  
Single CD Radio: Press X to eject a CD.  
Six-Disc CD Radio:  
t SCAN u : To scan one CD, press and hold either  
arrow for more than two seconds until SCAN displays and  
a beep sounds. The radio goes to the next track, plays  
for 10 seconds, then goes to the next track. Press either  
arrow again, to stop scanning.  
Press X to eject the CD that is currently playing.  
To eject multiple CDs:  
To scan all loaded CDs, press and hold either arrow for  
more than four seconds until SCAN displays and a beep  
sounds. Use this feature to listen to 10 seconds of the  
first track of each loaded CD. Press either arrow again,  
to stop scanning.  
1. Press and hold X for two seconds. A beep sounds  
and EJECT ALL displays.  
2. The ejected CD can be removed when REMOVE  
DISC displays.  
To stop ejecting the CDs, press the M or X .  
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The CD is automatically pulled back into the player if  
the CD is not removed after 25 seconds. Pushing a CD  
back into the player, before the 25 second time period is  
complete causes the player to sense an error and the CD  
player tries to eject the CD several times before stopping.  
Single CD Radio:  
Press and release RDM, until RANDOM DISC PLAY  
displays. Press and release the RDM until RANDOM  
OFF displays to turn off random play.  
Six-Disc CD Radio:  
Wait for the timer to expire before pressing X again.  
Press and release RDM until RANDOM DISC PLAY  
displays to play the tracks on one CD in random  
order. Once all tracks on this disc have played,  
RANDOM DISC PLAY will repeat.  
Pressing X repeatedly after trying to push a CD  
in manually causes the CD players 25-second eject  
timer to reset.  
RPT (Repeat): Press to hear a track or an entire CD  
over again.  
Press and release RDM until RANDOM ALL DISCS  
displays to play the tracks on all of the CDs that are  
loaded in random order.  
Single CD Radio:  
Press and release RDM until RANDOM OFF  
displays to turn off random play.  
Press RPT to hear a track over again, REPEAT  
displays. Press again to turn off repeat, REPEAT OFF  
displays.  
R (Song List): The Song List feature can save  
Six-Disc CD Radio:  
20 track selections.  
Press RPT until REPEAT displays to repeat a track.  
To save tracks:  
Press RPT until REPEAT ONE DISC displays to  
repeat an entire CD  
1. If S-LIST is displayed, press R to turn it off.  
2. Select the desired CD by pressing the numbered  
pushbutton and then use u or O e knob to  
select the track to be saved.  
Press RPT until REPEAT OFF displays to turn off  
repeat.  
RDM (Random): Press to hear the tracks in random,  
rather than sequential order, on one CD or all of  
the loaded CDs.  
3. Press and hold R until a beep sounds and  
ADDED SONG displays.  
4. Repeat Steps 2 and 3 to save other selections.  
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SONGLIST FULL displays if more than 20 selections  
are stored.  
If a CD is ejected, and the song list contains saved  
tracks from that CD, those tracks are automatically  
deleted from the song list. Any tracks saved to the  
song list again are added to the bottom of the list.  
To play tracks:  
1. Press R . One beep sounds and S-LIST displays.  
The recorded tracks begin to play in the order they  
were saved  
To end song list mode, press R . One beep sounds  
and S-LIST is removed from the display.  
Care of CDs and the CD Player  
Care of CDs  
2. Press t or u to go back or forward within the  
saved tracks.  
To delete tracks:  
Store CD(s) in their original cases or other protective  
cases and away from direct sunlight and dust. The CD  
player scans the bottom of the disc. If the bottom of a CD  
is damaged it may not play properly or at all. Do not touch  
the bottom of a CD while handling it. Pick up CDs by  
grasping the outer edges or the edge of the hole and  
the outer edge.  
1. Press R to turn song list on. S-LIST displays.  
2. Press t or u , use the O e knob to select the  
desired track to be deleted.  
3. Press and hold R until SONG REMOVED displays.  
After a track has been deleted, the remaining tracks  
are moved up the list. When another track is added to  
the song list, the track is added to the end of the list.  
If the surface of a CD is dirty, take a soft, lint free cloth  
or dampen a clean, soft cloth in a mild, neutral detergent  
solution mixed with water, and clean it. Make sure the  
wiping process starts from the center to the edge.  
To delete the entire song list:  
1. Press the R button to turn song list on. S-LIST  
displays.  
2. Press and hold R for more than four seconds.  
One beep sounds and SONGLIST EMPTY  
displays to confirm that the song list has been  
deleted.  
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Drivers are encouraged to set up any auxiliary device  
while the vehicle is in P (Park). See Defensive Driving  
on page 4-2.  
Care of the CD Player  
Do not add labels to a CD, it could get caught in the CD  
player. Use a marking pen to write on the top of the  
CD if a description is needed.  
Connect a 3.5 mm (1/8 inch) cable to the radio’s  
front auxiliary input jack to use a portable audio player.  
The radio displays AUX INPUT DEVICE when a device  
is connected and begins playing audio from that device.  
Do not use CD lens cleaners, they could damage the  
CD player.  
Notice: If a label is added to a CD, or more than  
one CD is inserted into the slot at a time, or an  
attempt is made to play scratched or damaged CDs,  
the CD player could be damaged. While using the  
CD player, use only CDs in good condition without  
any label, load one CD at a time, and keep the  
CD player and the loading slot free of foreign  
materials, liquids, and debris.  
Top Knob (Power/Volume): Turn to increase or  
decrease the volume of the portable player. Additional  
volume adjustments can be made from the portable  
device.  
BAND: Press to listen to the radio while a portable  
audio device is playing. The portable audio device  
continues playing.  
If an error displays, see “CD Messages” later in this  
section.  
CD/AUX (CD/Auxiliary): Press to play a CD while a  
portable audio device is playing. Press again and  
the system begins playing audio from the connected  
portable audio player. If a portable audio player is  
connected, AUX INPUT DEVICE displays. If a portable  
audio player is not connected, AUX INPUT DEVICE  
does not display.  
Using the Auxiliary Input Jack  
The radio system has an auxiliary input jack located on  
the right side of the faceplate. This is not an audio output;  
do not plug the headphone set into the front auxiliary  
input jack. An external audio device can be connected to  
the auxiliary input jack for use as another source for audio  
listening.  
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Supported Bit Rates  
Using an MP3  
MP3 Format  
The following bit rates are supported: 32 kbps, 40 kbps,  
56 kbps, 64 kbps, 80 kbps, 96 kbps, 112 kbps,  
128 kbps, 160 kbps, 192 kbps, 224 kbps, 256 kbps,  
and 320 kbps or a variable bit rate.  
Radios with the MP3 feature can only play CD-R discs.  
Do not mix standard audio and MP3 files on the  
same disc.  
File Naming  
Supported File Structure  
Radios with the MP3 feature support up to:  
50 folders.  
ID3v1 and ID3v2 tags are supported. The track name  
contained in the ID3 tag is shown on the display.  
The display only shows up to 32 characters for track  
and file names.  
11 folders in depth.  
50 playlists.  
If the track name is not contained in the ID3 tag, the  
display shows the file name without the file extension.  
Playlists  
255 files.  
Playlists that do not have a .mp3 or .wpl extension may  
not work.  
10 sessions.  
Root Directory:  
Preprogrammed playlists created by WinAmp™,  
MusicMatch™, or Real Jukebox™ software are  
supported and they cannot be edited using the radio.  
The root directory is treated as a folder. Files are stored  
in the root directory when the disc or storage device  
does not contain folders. Files accessed from the root  
directory display as F1 ROOT.  
Empty Folder:  
Folders that do not contain files are skipped, and the  
player advances to the next folder that contains files.  
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RDM (Random): Press to hear the tracks in random,  
rather than sequential order, on one CD, one folder,  
or all of the loaded CDs.  
Playing an MP3  
Insert a CD partway into the slot, label side up.  
The player pulls it in, and READING displays. The CD  
should begin playing and the CD symbol displays.  
Press and release RDM until:  
RANDOM DISC PLAY displays to play the tracks  
on the CD in random order.  
If the ignition or radio is turned off with a CD-R in the  
player, it stays in the player. When the ignition or radio  
is turned on, the CD-R starts to play where it stopped,  
if it was the last selected audio source.  
RANDOM FOLDER displays to play the tracks in  
the folder in random order.  
As each new track starts to play, the track number  
displays.  
RANDOM ALL DISCS displays to play the tracks on  
all of the CDs that are loaded in random order.  
RANDOM OFF displays to turn off random play.  
Order of Play  
Tracks are played sequentially in the following order:  
1. Playlists.  
RPT (Repeat): Press to hear a track, CD, or a folder  
over again.  
Press and release RPT until:  
2. Files contained in the root directory.  
3. Files contained in folders.  
REPEAT displays to repeat a track.  
REPEAT ONE DISC displays to repeat a CD.  
REPEAT FOLDER displays to repeat a folder.  
REPEAT OFF displays to turn off repeated play.  
O / e (Tune): Turn to go to the next or previous  
track.  
{ (Previous Folder): Press to go to the first track in  
the previous folder. Press and hold to reverse through the  
current track.  
t SEEK u : Press t to go to the start of the  
current track, if more than eight seconds have played.  
Press u to go to the next track. Press t or u more than  
once to continue moving backward or forward through  
the CD.  
| (Next Folder): Press to go to the first track in the  
next folder. Press and hold to fast forward the current  
track.  
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CH Unauth: This channel is blocked or cannot be  
received with your XM Subscription package.  
4 (Information): Press to display the artist name and  
album contained in the ID3 tag.  
CH Unavail: This previously assigned channel is no  
longer assigned. Tune to another station. If this station  
was one of the presets, choose another station for  
that preset button.  
BAND: Press to listen to the radio when a CD is  
playing. The inactive CD remains inside the radio for  
future listening.  
CD AUX (Auxiliary): Press to play a CD when listening  
to the radio. The CD symbol displays when a CD is  
loaded.  
No Info: No artist, song title, category, or text  
information is available at this time on this channel.  
The system is working properly.  
XM Radio Messages  
Not Found: There are no channels available for the  
selected category. The system is working properly.  
XL (Explicit Language Channels): These channels,  
or any others, can be blocked by calling  
1-800-852-XMXM (9696).  
XM Locked: The XM receiver in the vehicle may  
have previously been in another vehicle. For security  
purposes, XM receivers cannot be swapped between  
vehicles. If this message is received after having the  
vehicle serviced, check with your dealer/retailer.  
Updating: The encryption code in the receiver is being  
updated, and no action is required. This process should  
take no longer than 30 seconds.  
Radio ID: If tuned to channel 0, this message will  
alternate with the XM Radio 8 digit radio ID label.  
This label is needed to activate the service.  
No Signal: The system is functioning correctly, but the  
vehicle is in a location that is blocking the XM signal.  
When the vehicle is moved into an open area, the signal  
should return.  
Unknown: If this message is received when tuned  
to channel 0, there may be a receiver fault. Consult  
with your dealer/retailer.  
Loading XM: The audio system is acquiring and  
processing audio and text data. No action is needed.  
This message should disappear shortly.  
Chk XMRcvr: If this message does not clear within a  
short period of time, the receiver may have a fault.  
Consult with your dealer/retailer.  
CH Off Air: This channel is not currently in service.  
Tune in to another channel.  
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Audio System  
Navigation/Radio System  
When using the in-vehicle Bluetooth system, sound  
comes through the vehicle’s front audio system speakers  
and over-rides the audio system. Use the audio system  
volume knob, during a call, to change the volume level.  
The adjusted volume level remains in memory for later  
calls. To prevent missed calls, a minimum volume level  
is used if the volume is turned down too low.  
For vehicles with a navigation radio system, see the  
separate Navigation System manual.  
Bluetooth®  
Vehicles with a Bluetooth system can use a Bluetooth  
capable cell phone with a Hands Free Profile to make  
and receive phone calls. The system can be used while  
the key is in ON/RUN or ACC/ACCESSORY position.  
The range of the Bluetooth system can be up to 30 ft.  
(9.1 m). Not all phones support all functions, and not  
all phones are guaranteed to work with the in-vehicle  
Bluetooth system. See gm.com/bluetooth for more  
information on compatible phones.  
Bluetooth Controls  
Use the buttons located on the steering wheel to  
operate the in-vehicle Bluetooth system. See Audio  
Steering Wheel Controls on page 3-108 for more  
information.  
b g (Push To Talk): Press to answer incoming calls,  
to confirm system information, and to start speech  
recognition.  
Voice Recognition  
The Bluetooth system uses voice recognition to interpret  
voice commands to dial phone numbers and name tags.  
c (Phone On Hook): Press to end a call, reject a  
call, or to cancel an operation.  
Noise: Keep interior noise levels to a minimum.  
The system may not recognize voice commands if  
there is too much background noise.  
When to Speak: A short tone sounds after the system  
responds indicating when it is waiting for a voice  
command. Wait until the tone and then speak.  
How to Speak: Speak clearly in a calm and natural  
voice.  
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Pairing a Phone  
Pairing  
1. Press and hold b g for two seconds. The system  
A Bluetooth enabled cell phone must be paired to the  
in-vehicle Bluetooth system first and then connected to  
the vehicle before it can be used. See the cell phone  
manufacturers user guide for Bluetooth functions before  
pairing the cell phone. If a Bluetooth phone is not  
connected, calls will be made using OnStar® Hands-Free  
Calling, if available. Refer to the OnStar owner’s guide for  
more information.  
responds with “Ready” followed by a tone.  
2. Say “Bluetooth”. The system responds with  
“Bluetooth ready” followed by a tone.  
3. Say “Pair”. The system responds with instructions  
and a four digit PIN number. The PIN number will  
be used in Step 4.  
4. Start the Pairing process on the cell phone that will  
be paired to the vehicle. Reference the cell phone  
manufacturers user guide for information on  
this process.  
Pairing Information:  
Up to five cell phones can be paired to the in-vehicle  
Bluetooth system.  
The pairing process is disabled when the vehicle is  
moving.  
Locate the device named “General Motors” in the  
list on the cellular phone and follow the instructions  
on the cell phone to enter the four digit PIN number  
that was provided in Step 3.  
The in-vehicle Bluetooth system automatically links  
with the first available paired cell phone in the order  
the phone was paired.  
5. The system prompts for a name for the phone. Use  
a name that best describes the phone. This name  
will be used to indicate which phone is connected.  
The system then confirms the name provided.  
Only one paired cell phone can be connected to the  
in-vehicle Bluetooth system at a time.  
Pairing should only need to be completed once,  
unless changes to the pairing information have  
been made or the phone is deleted.  
6. The system responds with “<Phone name> has  
been successfully paired” after the pairing process  
is complete.  
To link to a different paired phone, see Linking to a  
Different Phone later in this section.  
7. Repeat Steps 1 through 7 for additional phones to  
be paired.  
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Listing All Paired and Connected Phones  
Linking to a Different Phone  
1. Press and hold b g for two seconds. The  
1. Press and hold b g for two seconds. The system  
system responds with “Ready” followed by a tone.  
responds with “Ready” followed by a tone.  
2. Say “Bluetooth”. The system responds with  
“Bluetooth ready” followed by a tone.  
2. Say “Bluetooth”. The system responds with  
“Bluetooth ready” followed by a tone.  
3. Say “List”. The system lists all the paired Bluetooth  
devices. If a phone is connected to the vehicle, the  
system will say “Is connected” after the connected  
phone.  
3. Say “Change phone”. The system responds with  
“Please wait while I search for other phones”.  
If another phone is found, the response will be  
“<Phone name> is now connected”.  
Deleting a Paired Phone  
If another phone is not found, the original phone  
remains connected.  
1. Press and hold b g for two seconds. The system  
responds with “Ready” followed by a tone.  
Storing Name Tags  
2. Say “Bluetooth”. The system responds with  
“Bluetooth ready” followed by a tone.  
The system can store up to thirty phone numbers as  
name tags that are shared between the Bluetooth and  
OnStar systems.  
3. Say “Delete”. The system asks which phone to  
delete followed by a tone.  
The system uses the following commands to store and  
retrieve phone numbers:  
4. Say the name of the phone to be deleted. If the  
phone name is unknown, use the “List” command  
for a list of all paired phones. The system responds  
with “Would you like to delete <phone name>?  
Yes or No” followed by a tone  
Store  
Digit Store  
Directory  
5. Say “Yes” to delete the phone. The system  
responds with “OK, deleting <phone name>”.  
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5. Say a name tag for the phone number. The name  
tag is recorded and the system responds with  
“About to store <name tag>. Does that sound OK?”.  
Using the Store Command  
The store command allows a phone number to be  
stored without entering the digits individually.  
If the name tag does not sound correct, say  
“No” and repeat Step 5.  
1. Press and hold b g for two seconds. The system  
responds with “Ready” followed by a tone.  
If the name tag sounds correct, say “Yes” and  
the name tag is stored. After the number is  
stored the system returns to the main menu.  
2. Say “Store”. The system responds with  
“Store, number please” followed by a tone.  
3. Say the complete phone number to be stored at  
once with no pauses.  
Using the Digit Store Command  
The digit store command allows a phone number to be  
stored by entering the digits individually.  
If the system recognizes the number it responds  
with “OK, Storing” and repeats the phone number.  
1. Press and hold b g for two seconds. The system  
If the system is unsure it recognizes the phone  
number, it responds with “Store” and repeats the  
number followed by “Please say yes or no”. If the  
number is correct, say “Yes”. If the number is not  
correct, say “No”. The system will ask for the  
number to be re-entered.  
responds with “Ready” followed by a tone.  
2. Say “Digit Store”. The system responds with  
“Please say the first digit to store” followed by  
a tone.  
3. Say the first digit to be stored. The system will  
repeat back the digit it heard followed by a tone.  
Continue entering digits until the number to be  
stored is complete.  
4. After the system stores the phone number, it  
responds with “Please say the name tag” followed  
by a tone.  
If an unwanted number is recognized by the  
system, say “Clear” at any time to clear the  
last number.  
To hear all of the numbers recognized by the  
system, say “Verify” at any time and the  
system will repeat them.  
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4. After the complete number has been entered, say  
“Store”. The system responds with “Please say the  
name tag” followed by a tone.  
Deleting Name Tags  
The system uses the following commands to delete  
name tags:  
5. Say a name tag for the phone number. The name  
tag is recorded and the system responds with  
“About to store <name tag>. Does that sound OK?”.  
Delete  
Delete all name tags  
If the name tag does not sound correct, say  
“No” and repeat Step 5.  
Using the Delete Command  
The delete command allows specific name tags to be  
deleted.  
If the name tag sounds correct, say “Yes” and  
the name tag is stored. After the number is  
stored the system returns to the main menu.  
To use the delete command:  
Using the Directory Command  
1. Press and hold b g for two seconds. The system  
responds with “Ready” followed by a tone.  
The directory command lists all of the name tags stored  
by the system. To use the directory command:  
2. Say “Delete”. The system responds with “Delete,  
please say the name tag” followed by a tone.  
1. Press and hold b g for two seconds. The system  
3. Say the name tag to be deleted. The system  
responds with “Would you like to delete, <name  
tag>? Please say yes or no”.  
responds with “Ready” followed by a tone.  
2. Say “Directory”. The system responds with  
“Directory” and then plays back all of the stored  
name tags. When the list is complete, the system  
returns to the main menu.  
If the name tag is correct, say “Yes” to delete  
the name tag. The system responds with “OK,  
deleting <name tag>, returning to the main menu.”  
If the name tag is incorrect, say “No”. The system  
responds with “No. OK, let’s try again, please say  
the name tag.”  
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Using the Delete All Name Tags Command  
Using the Dial Command  
The delete all name tags command deletes all stored  
phone book name tags and route name tags for OnStar  
(if present).  
1. Press and hold b g for two seconds. The system  
responds with “Ready” followed by a tone.  
2. Say “Dial”. The system responds with “Dial using  
<phone name>. “Number please” followed by a tone.  
To use the delete all name tags command:  
1. Press and hold b g for two seconds. The system  
3. Say the entire number without pausing.  
responds with “Ready” followed by a tone.  
If the system recognizes the number, it responds  
with “OK, Dialing” and dials the number.  
2. Say “Delete all name tags”. The system responds  
with “You are about to delete all name tags stored  
in your phone directory and your route destination  
directory. Are you sure you want to do this? Please  
say yes or no.”  
If the system does not recognize the number,  
it confirms the numbers followed by a tone.  
If the number is correct, say “Yes”. The system  
responds with “OK, Dialing” and dials the number.  
If the number is not correct, say “No”. The system  
will ask for the number to be re-entered.  
Say “Yes” to delete all name tags.  
Say “No” to cancel the function and return to the  
main menu.  
Using the Digit Dial Command  
Making a Call  
1. Press and hold b g for two seconds. The system  
responds with “Ready” followed by a tone.  
Calls can be made using the following commands:  
2. Say “Digit Dial”. The system responds with  
“Digit dial using <phone name>, please say  
the first digit to dial” followed by a tone.  
Dial  
Digit Dial  
Call  
3. Say the digit to be dialed one at a time. Following  
each digit, the system will repeat back the digit it  
heard followed by a tone.  
Re-dial  
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4. Continue entering digits until the number to be  
dialed is complete. After the whole number has  
been entered, say “Dial”. The system responds  
with “OK, Dialing” and dials the number.  
Once connected, the person called will be heard  
through the audio speakers.  
Using the Re-dial Command  
If an unwanted number is recognized by the  
system, say “Clear” at any time to clear the  
last number.  
To hear all of the numbers recognized by the  
system, say “Verify” at any time and the  
system will repeat them.  
1. Press and hold b g for two seconds. The system  
responds with “Ready” followed by a tone.  
2. After the tone, say “Re-dial”. The system responds  
with “Re-dial using <phone name>” and dials the last  
number called from the connected Bluetooth phone.  
Once connected, the person called will be heard through  
the audio speakers.  
Using the Call Command  
1. Press and hold b g for two seconds. The system  
Receiving a Call  
responds with “Ready” followed by a tone.  
When an incoming call is received, the audio system  
mutes and a ring tone is heard in the vehicle.  
2. Say “Call”. The system responds with “Call using  
<phone name>. Please say the name tag” followed  
by a tone.  
Press b g and begin speaking to answer the call.  
Press c to ignore a call.  
3. Say the name tag of the person to call.  
If the system clearly recognizes the name tag it  
responds with “OK, calling, <name tag>” and  
dials the number.  
If the system is unsure it recognizes the right  
name tag, it confirms the name tag followed by  
a tone. If the name tag is correct, say “Yes”. The  
system responds with “OK, calling, <name tag>”  
and dials the number. If the name tag is not  
correct, say “No”. The system will ask for the  
name tag to be re-entered.  
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Call Waiting  
Ending a Call  
Press c to end a call.  
Muting a Call  
Call waiting must be supported on the Bluetooth phone  
and enabled by the wireless service carrier to work.  
Press b g to answer an incoming call when  
another call is active. The original call is placed  
on hold.  
During a call, all sounds from inside the vehicle can  
be muted so that the person on the other end of the  
call cannot hear them.  
Press b g again to return to the original call.  
To ignore the incoming call, continue with the  
original call with no action.  
To Mute a call  
1. Press b g . The system responds with “Ready”  
Press c to disconnect the current call and switch  
followed by a tone.  
to the call on hold.  
2. Say “Mute Call”. The system responds with  
“Call muted”.  
Three-Way Calling  
To Cancel Mute  
Three-Way Calling must be supported on the  
Bluetooth phone and enabled by the wireless service  
carrier to work.  
1. Press b g . The system responds with “Ready”  
followed by a tone.  
1. While on a call press b g . The system responds  
2. After the tone, say “Mute Call”. The system  
responds with “Resuming call”.  
with “Ready” followed by a tone.  
2. Say “Three-way call”. The system responds with  
“Three-way call, please say dial or call”.  
Transferring a Call  
Audio can be transferred between the in-vehicle  
Bluetooth system and the cell phone.  
3. Use the dial or call command to dial the number of  
the third party to be called.  
4. Once the call is connected, press b g to link all  
the callers together.  
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To Transfer Audio to the Cell Phone  
Voice Pass-Thru  
During a call with the audio in the vehicle:  
Voice Pass-Thru allows access to the voice recognition  
commands on the cell phone. See the cell phone  
manufacturers user guide to see if the cell phone  
supports this feature. This feature can be used to  
verbally access contacts stored in the cell phone.  
1. Press b g . The system responds with “Ready”  
followed by a tone.  
2. Say “Transfer Call.” The system responds with  
“Transferring call” and the audio will switch from  
the vehicle to the cell phone.  
1. Press and hold b g for two seconds. The system  
responds with “Ready” followed by a tone.  
To Transfer Audio to the In-Vehicle  
Bluetooth System  
2. Say “Bluetooth”. The system responds with  
“Bluetooth ready” followed by a tone.  
The cellular phone must be paired and connected with  
the Bluetooth system before a call can be transferred.  
The connection process can take up to two minutes after  
the key is turned to the ON/RUN or ACC/ACCESSORY  
position.  
3. Say “Voice”. The system responds with  
“OK, accessing <phone name>”.  
The cell phone’s normal prompt messages will  
go through its cycle according to the phone’s  
operating instructions.  
During a call with the audio on the cell phone,  
press b g for more than two seconds. The audio  
switches from the cell phone to the vehicle.  
3-105  
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Sending a Stored Name Tag During a Call  
Dual Tone Multi-Frequency (DTMF)  
Tones  
1. Press b g . The system responds with “Ready”  
followed by a tone.  
The in-vehicle Bluetooth system can send numbers and  
numbers stored as name tags during a call. This is used  
when calling a menu driven phone system. Account  
numbers can be programmed into the phonebook for  
retrieval during menu driven calls.  
2. Say “Send name tag.” The system responds with  
“Say a name tag to send tones” followed by a tone.  
3. Say the name tag to send.  
If the system clearly recognizes the name tag it  
responds with “OK, Sending <name tag>” and  
the dial tones are sent and the call continues.  
Sending a Number During a Call  
1. Press b g . The system responds with “Ready”  
If the system is not sure it recognized the  
name tag properly, it responds “Dial <name tag>,  
Please say yes or no?” followed by a tone. If the  
name tag is correct, say “Yes”. The system  
responds with “OK, Sending <name tag>” and  
the dial tones are sent and the call continues.  
followed by a tone.  
2. Say “Dial”. The system responds with “Say a  
number to send tones” followed by a tone.  
3. Say the number to send.  
If the system clearly recognizes the number it  
responds with “OK, Sending Number” and the  
dial tones are sent and the call continues.  
If the system is not sure it recognized the  
number properly, it responds “Dial Number,  
Please say yes or no?” followed by a tone.  
If the number is correct, say “Yes”. The system  
responds with “OK, Sending Number” and  
the dial tones are sent and the call continues.  
3-106  
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This device complies with RSS-210 of Industry Canada.  
Operation is subject to the following two conditions:  
Clearing the System  
Unless information is deleted out of the in-vehicle  
Bluetooth system, it will be retained indefinitely.  
This includes all saved name tags in the phonebook  
and phone pairing information. For information on  
how to delete this information, see the above sections  
on Deleting a Paired Phone and Deleting Name Tags.  
1. This device may not cause interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation of the device.  
Changes or modifications to this system by other than  
an authorized service facility could void authorization to  
use this equipment.  
Other Information  
The Bluetooth® word mark and logos are owned by  
the Bluetooth® SIG, Inc. and any use of such marks by  
General Motors is under license. Other trademarks and  
trade names are those of their respective owners.  
Theft-Deterrent Feature  
THEFTLOCK® is designed to discourage theft of the  
vehicle’s radio by learning a portion of the Vehicle  
Identification Number (VIN). The radio does not operate  
and LOCKED displays if the radio is stolen or moved  
to a different vehicle.  
This device complies with Part 15 of the FCC Rules.  
Operation is subject to the following two conditions:  
1. This device may not cause harmful interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation.  
When the when the ignition is in the off position, a  
blinking red light on the upper left side of the radio  
indicates that THEFTLOCK® is armed.  
3-107  
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c (Phone On Hook): Press to reject an incoming  
call, or end a current call.  
Audio Steering Wheel Controls  
w x (Next/Previous): Press to change radio stations  
or select tracks on a CD.  
To change radio stations:  
Press w or x to go to the next or to the previous  
radio station and stay there. The radio only seeks  
stations with a strong signal that are in the  
selected band.  
Press and hold w or x for two seconds until  
SCAN displays and a beep sounds to scan stations.  
The radio goes to a station, plays for a few seconds,  
then goes to the next station. Press again to stop  
scanning.  
For vehicles with steering wheel controls, some audio  
controls can be adjusted at the steering wheel.  
b g (Mute/Push to Talk): Press to silence the vehicle  
Press and hold w or x for four seconds until  
PRESET SCAN displays and a beep sounds to  
scan presets. The radio goes to a station, plays  
for a few seconds, then goes to the next station.  
Press again to stop scanning.  
speakers only. Press again to turn the sound on.  
For vehicles with OnStar® or Bluetooth systems press  
and hold V g for longer than two seconds to interact  
with those systems. See OnStar® System on page 2-41  
and Bluetooth® on page 3-97 in this manual for more  
information.  
3-108  
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To select tracks on a CD:  
Radio Reception  
Press w or x to go to the next or to the previous  
Frequency interference and static can occur during  
normal radio reception if items such as cell phone  
chargers, vehicle convenience accessories, and external  
electronic devices are plugged into the accessory power  
outlet. If there is interference or static, unplug the item  
from the accessory power outlet.  
track when a CD is playing.  
Press and hold w or x for more than two seconds  
to scan the current CD. The CD goes to the next  
track, plays the first 10 seconds, then goes to  
the next track. Press again to stop scanning.  
Press and hold w or x for more than four seconds  
to scan all of the CDs loaded. The CD goes to  
the next CD, plays the first 10 seconds of each  
track, then goes to the next CD. Press again to  
stop scanning.  
AM  
The range for most AM stations is greater than for FM,  
especially at night. The longer range can cause station  
frequencies to interfere with each other. For better radio  
reception, most AM radio stations boost the power levels  
during the day, and then reduce these levels during the  
night. Static can also occur when things like storms and  
power lines interfere with radio reception. When this  
happens, try reducing the treble on the radio.  
+ e e (Volume): Press to increase or to decrease  
the radio volume.  
1–6 (Preset Pushbuttons): Press to play stations that  
are programmed on the radio preset pushbuttons.  
FM Stereo  
FM signals only reach about 10 to 40 miles  
(16 to 65 km). Although the radio has a built-in electronic  
circuit that automatically works to reduce interference,  
some static can occur, especially around tall buildings  
or hills, causing the sound to fade in and out.  
3-109  
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XM™ Satellite Radio Service  
Diversity Antenna System  
XM Satellite Radio Service gives digital radio reception  
from coast-to-coast in the 48 contiguous United States,  
and in Canada. Just as with FM, tall buildings or hills can  
interfere with satellite radio signals, causing the sound to  
fade in and out. In addition, traveling or standing under  
heavy foliage, bridges, garages, or tunnels may cause  
loss of the XM signal for a period of time.  
The AM-FM antenna is a hidden self tuning system.  
It optimizes the AM and FM signals relative to  
the vehicle’s position and radio station source.  
No maintenance or adjustments are needed.  
XM™ Satellite Radio Antenna  
System  
Cellular Phone Usage  
For vehicles with XM Satellite Radio Service, the  
antenna is located on the roof or on the trunk lid of  
the vehicle. Keep the antenna clear of obstructions  
for clear radio reception.  
Cellular phone usage may cause interference with the  
vehicle’s radio. This interference may occur when making  
or receiving phone calls, charging the phone’s battery,  
or simply having the phone on. This interference causes  
an increased level of static while listening to the radio.  
If static is received while listening to the radio, unplug  
the cellular phone and turn it off.  
3-110  
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Section 4  
Driving Your Vehicle  
4-1  
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Defensive Driving  
Your Driving, the Road, and  
the Vehicle  
Defensive driving means “always expect the  
unexpected.” The first step in driving defensively is  
to wear your safety belt — See Safety Belts: They Are  
for Everyone on page 1-9.  
Driving for Better Fuel Economy  
Driving habits can affect fuel mileage. Here are some  
driving tips to get the best fuel economy possible.  
{ CAUTION:  
Avoid fast starts and accelerate smoothly.  
Brake gradually and avoid abrupt stops.  
Avoid idling the engine for long periods of time.  
Assume that other road users (pedestrians,  
bicyclists, and other drivers) are going to be  
careless and make mistakes. Anticipate what they  
might do and be ready. In addition:  
Allow enough following distance between you  
and the driver in front of you.  
When road and weather conditions are appropriate,  
use cruise control, if equipped.  
Always follow posted speed limits or drive more  
slowly when conditions require.  
Focus on the task of driving.  
Keep vehicle tires properly inflated.  
Driver distraction can cause collisions resulting in  
injury or possible death. These simple defensive  
driving techniques could save your life.  
Combine several trips into a single trip.  
Replace the vehicle’s tires with the same TPC Spec  
number molded into the tire’s sidewall near the size.  
Follow recommended scheduled maintenance.  
4-2  
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For persons under 21, it is against the law in every  
U.S. state to drink alcohol. There are good medical,  
psychological, and developmental reasons for  
these laws.  
Drunk Driving  
{ CAUTION:  
The obvious way to eliminate the leading highway  
safety problem is for people never to drink alcohol and  
then drive.  
Drinking and then driving is very dangerous. Your  
reflexes, perceptions, attentiveness, and judgment  
can be affected by even a small amount of alcohol.  
You can have a serious — or even fatal — collision  
if you drive after drinking. Do not drink and drive or  
ride with a driver who has been drinking. Ride home  
in a cab; or if you are with a group, designate a  
driver who will not drink.  
Medical research shows that alcohol in a person’s  
system can make crash injuries worse, especially  
injuries to the brain, spinal cord, or heart. This means  
that when anyone who has been drinking — driver  
or passenger — is in a crash, that person’s chance of  
being killed or permanently disabled is higher than if the  
person had not been drinking.  
Control of a Vehicle  
Death and injury associated with drinking and driving is  
a global tragedy.  
The following three systems help to control the vehicle  
while driving — brakes, steering, and accelerator.  
At times, as when driving on snow or ice, it is easy to ask  
more of those control systems than the tires and road can  
provide. Meaning, you can lose control of the vehicle.  
See Traction Control System (TCS) on page 4-6 and  
Alcohol affects four things that anyone needs to drive a  
vehicle: judgment, muscular coordination, vision, and  
attentiveness.  
Police records show that almost 40 percent of all motor  
vehicle-related deaths involve alcohol. In most cases,  
these deaths are the result of someone who was drinking  
and driving. In recent years, more than 17,000 annual  
motor vehicle-related deaths have been associated with  
the use of alcohol, with about 250,000 people injured.  
Adding non-dealer/non-retailer accessories can affect  
vehicle performance. See Accessories and Modifications  
on page 5-3.  
4-3  
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This is a mistake. The brakes might not have time to cool  
between hard stops. The brakes will wear out much faster  
with a lot of heavy braking. Keeping pace with the traffic  
and allowing realistic following distances eliminates a lot  
of unnecessary braking. That means better braking and  
longer brake life.  
Braking  
See Brake System Warning Light on page 3-40.  
Braking action involves perception time and reaction  
time. Deciding to push the brake pedal is perception  
time. Actually doing it is reaction time.  
If the engine ever stops while the vehicle is being  
driven, brake normally but do not pump the brakes.  
If the brakes are pumped, the pedal could get harder to  
push down. If the engine stops, there will still be some  
power brake assist but it will be used when the brake  
is applied. Once the power assist is used up, it can  
take longer to stop and the brake pedal will be harder  
to push.  
Average reaction time is about three-fourths of a second.  
But that is only an average. It might be less with  
one driver and as long as two or three seconds or more  
with another. Age, physical condition, alertness,  
coordination, and eyesight all play a part. So do alcohol,  
drugs, and frustration. But even in three-fourths of a  
second, a vehicle moving at 60 mph (100 km/h) travels  
66 feet (20 m). That could be a lot of distance in an  
emergency, so keeping enough space between the  
vehicle and others is important.  
Under certain weather or operating conditions,  
occasional brake squeak, squeal, or other noise might  
be heard with the vehicle’s performance braking system.  
This brake system is designed for superior fade  
resistance and consistent operation using high  
performance brake pads. Brake noise and brake dust  
are normal and do not affect system performance.  
And, of course, actual stopping distances vary greatly  
with the surface of the road, whether it is pavement  
or gravel; the condition of the road, whether it is  
wet, dry, or icy; tire tread; the condition of the brakes;  
the weight of the vehicle; and the amount of brake force  
applied.  
Adding non-dealer/non-retailer accessories can affect  
vehicle performance. See Accessories and Modifications  
on page 5-3.  
Avoid needless heavy braking. Some people drive  
in spurts — heavy acceleration followed by heavy  
braking — rather than keeping pace with traffic.  
4-4  
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ABS can change the brake pressure to each wheel, as  
required, faster than any driver could. This can help  
the driver steer around the obstacle while braking hard.  
Antilock Brake System (ABS)  
This vehicle has the Antilock Brake System (ABS), an  
advanced electronic braking system that helps prevent a  
braking skid.  
As the brakes are applied, the computer keeps receiving  
updates on wheel speed and controls braking pressure  
accordingly.  
When the engine is started and the vehicle begins to  
drive away, ABS checks itself. A momentary motor  
or clicking noise might be heard while this test is going  
on, and it might even be noticed that the brake pedal  
moves a little. This is normal.  
Remember: ABS does not change the time needed to get  
a foot up to the brake pedal or always decrease stopping  
distance. If you get too close to the vehicle in front of you,  
there will not be enough time to apply the brakes if that  
vehicle suddenly slows or stops. Always leave enough  
room up ahead to stop, even with ABS.  
If there is a problem with  
ABS, this warning light  
stays on. See Antilock  
Using ABS  
Do not pump the brakes. Just hold the brake pedal  
down firmly and let antilock work. A motor or clicking  
noise might be heard and the brake pedal might be felt  
to move a little during a stop, but this is normal.  
page 3-41.  
Let us say the road is wet and you are driving safely.  
Suddenly, an animal jumps out in front of you. You slam  
on the brakes and continue braking. Here is what  
happens with ABS:  
Braking in Emergencies  
ABS allows the driver to steer and brake at the same  
time. In many emergencies, steering can help more than  
even the very best braking.  
A computer senses that the wheels are slowing down.  
If one of the wheels is about to stop rolling, the computer  
will separately work the brakes at each wheel.  
4-5  
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The SERVICE TRACTION  
SYSTEM message and the  
TCS warning light will come  
on if there is a problem with  
Traction Control System (TCS)  
The vehicle has a Traction Control System (TCS) that  
limits wheel spin. This is especially useful in slippery  
road conditions. The system operates only if it senses  
that the rear wheels are spinning too much or are  
beginning to lose traction. When this happens, the  
system works the rear brakes and reduces engine power  
(by closing the throttle and managing engine spark) to  
limit wheel spin.  
page 3-56.  
The TRACTION SYSTEM ACTIVE message displays  
on the Driver Information Center (DIC) when TCS  
is limiting wheel spin. See DIC Warnings and Messages  
on page 3-56. The system may be heard or felt while  
it is working, but this is normal.  
When this light and the SERVICE TRACTION SYSTEM  
message are on, the system will not limit wheel spin.  
Adjust your driving accordingly.  
TCS automatically comes on whenever the vehicle is  
started. To limit wheel spin, especially in slippery  
road conditions, the system should always be left on.  
TCS can be turned off if needed.  
If cruise control is being used when TCS begins to  
limit wheel spin, the cruise control will automatically  
disengage. Cruise control may be reengaged  
when road conditions allow. See Cruise Control on  
page 3-10.  
4-6  
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To turn the system off,  
press the button located  
on the console.  
Active Handling System  
The Active Handling System is a computer controlled  
system that helps the driver maintain directional control  
of the vehicle in difficult driving conditions. This is  
accomplished by selectively applying any one of the  
vehicle’s brakes.  
The ACTIVE HANDLING message will come on when the  
system is operating. See DIC Warnings and Messages  
on page 3-56 for more information. The system may be  
heard or felt while it is working. This is normal.  
The SERVICE ACTIVE  
HANDLING SYSTEM  
message will be displayed,  
the instrument cluster light  
will come on, and a sound  
will be heard if there is a  
problem with the system.  
The system can be turned on or off at any time by  
pressing the ACTIVE HANDLING button. The DIC will  
display the appropriate message when the button is  
pushed.  
Notice: When traction control is turned off, or  
Competitive Driving Mode is active, it is possible to  
lose traction. If you attempt to shift with the drive  
wheels spinning with a loss of traction, it is possible  
to cause damage to the transmission. Do not attempt  
to shift when the drive wheels do not have traction.  
Damage caused by misuse of the vehicle is not  
covered. See the warranty book for additional  
information.  
See DIC Warnings and Messages on page 3-56 for  
more information.  
Adding non-dealer/non-retailer accessories can affect  
the vehicle’s performance. See Accessories and  
Modifications on page 5-3 for more information.  
When this light and the SERVICE ACTIVE HANDLING  
SYSTEM message are on, the system is not  
operational. Adjust your driving accordingly.  
4-7  
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The Active Handling System comes on automatically  
whenever the vehicle is started. To help maintain  
directional control of the vehicle, the system should  
always be left on. The system can be turned off needed.  
If the Active Handling System is turned off, the Traction  
Control System will also be turned off. Adjust your  
driving accordingly.  
If the Tire Pressure Monitor (TPM) system detects a flat  
tire and the Driver Information Center (DIC) displays  
TIRE FLAT, or if the TPM system is malfunctioning and  
the DIC displays SERVICE TIRE MONITOR, the Active  
Handling System will be affected as follows:  
The Active Handling System cannot be turned off by  
the driver.  
To turn the system  
If the Active Handling System is off, it will be turned  
on automatically.  
off, press the ACTIVE  
HANDLING button on the  
console for five seconds.  
The system can be turned  
back on at any time by  
pressing the button.  
Competitive Driving Mode is unavailable.  
The Active Handling System will feel different in  
aiding and maintaining directional control.  
The DIC will display the  
appropriate message when  
the button is pushed.  
Competitive Driving Mode  
The driver can select this optional handling mode by  
pressing the ACTIVE HANDLING button on the console  
quickly two times. COMPETITIVE DRIVING MODE will  
be displayed in the DIC. Competitive Driving Mode allows  
the driver to have full control of the rear wheels while the  
Active Handling System helps maintain directional control  
of the vehicle by selective brake application. This involves  
less intervention than with both the Active Handling  
System and Traction Control Systems on. The Traction  
Control System will not be operating. Adjust your driving  
accordingly.  
4-8  
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This light will be on when  
the vehicle is in the  
Limited-Slip Rear Axle  
Competitive Driving Mode.  
Vehicles with a limited-slip rear axle can give more  
traction on snow, mud, ice, sand or gravel. It works like a  
standard axle most of the time, but when traction is low,  
this feature allows the drive wheel with the most traction  
to move the vehicle.  
Selective Ride Control  
The vehicle may have a ride control system called  
Magnetic Selective Ride Control. The system provides  
the following performance benefits:  
When the ACTIVE HANDLING button is pressed again,  
the Active Handling and Traction Control Systems  
will be on. The TRACTION SYSTEM AND ACTIVE  
HANDLING-ON message will be displayed briefly in  
the DIC and a chime will be heard.  
Reduced Impact Harshness  
Improved Road Isolation  
Improved High-Speed Stability  
Improved Handling Response  
Better Control of Body Ride Motions  
Notice: When traction control is turned off, or  
Competitive Driving Mode is active, it is possible to  
lose traction. If you attempt to shift with the drive  
wheels spinning with a loss of traction, it is possible  
to cause damage to the transmission. Do not attempt  
to shift when the drive wheels do not have traction.  
Damage caused by misuse of the vehicle is not  
covered. See the warranty book for additional  
information.  
4-9  
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This knob is located on the  
center console. Turn it to  
select the suspension  
of your choice.  
Steering  
Power Steering  
If power steering assist is lost because the engine stops  
or the system is not functioning, the vehicle can be  
steered but it will take more effort.  
Magnetic Speed Variable Assist  
Steering System  
This system continuously adjusts the effort felt when  
steering at all vehicle speeds. It provides ease when  
parking, yet a firm, solid feel at highway speeds.  
TOUR: Use for normal city and highway driving.  
This setting provides a smooth, soft ride.  
SPORT: Use where road conditions or personal  
preference demand more control. This setting provides  
more “feel”, or response to the road conditions.  
Steering Tips  
It is important to take curves at a reasonable speed.  
Traction in a curve depends on the condition of the tires  
and the road surface, the angle at which the curve is  
banked, and vehicle speed. While in a curve, speed is  
the one factor that can be controlled.  
The setting can be changed at any time. Based on road  
conditions, steering wheel angle and the vehicle speed,  
the system automatically adjusts to provide the best  
handling while providing a smooth ride. The Tour and  
Sport modes will feel similar on a smooth road. Select  
a new setting whenever driving conditions change.  
If there is a need to reduce speed, do it before entering  
the curve, while the front wheels are straight.  
Three Driver Information Center (DIC) messages  
(SERVICE RIDE CONTROL, SHOCKS INOPERATIVE  
and MAXIMUM SPEED 80 MPH (129 KM/H) display  
when a malfunction occurs with the Selective Ride  
Control system. Refer to DIC Warnings and Messages  
on page 3-56 for more information.  
Try to adjust the speed so you can drive through the  
curve. Maintain a reasonable, steady speed. Wait to  
accelerate until out of the curve, and then accelerate  
gently into the straightaway.  
4-10  
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Steering in Emergencies  
There are times when steering can be more effective than  
braking. For example, you come over a hill and find a  
truck stopped in your lane, or a car suddenly pulls out  
from nowhere, or a child darts out from between parked  
cars and stops right in front of you. These problems can  
be avoided by braking — if you can stop in time. But  
sometimes you cannot stop in time because there is no  
room. That is the time for evasive action — steering  
around the problem.  
The vehicle can perform very well in emergencies like  
these. First apply the brakes. See Braking on page 4-4.  
It is better to remove as much speed as possible from a  
collision. Then steer around the problem, to the left or  
right depending on the space available.  
An emergency like this requires close attention and  
a quick decision. If holding the steering wheel at the  
recommended 9 and 3 o’clock positions, it can be turned  
a full 180 degrees very quickly without removing either  
hand. But you have to act fast, steer quickly, and just as  
quickly straighten the wheel once you have avoided the  
object.  
The fact that such emergency situations are always  
possible is a good reason to practice defensive driving  
at all times and wear safety belts properly.  
4-11  
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Off-Road Recovery  
Passing  
The vehicle’s right wheels can drop off the edge of a  
road onto the shoulder while driving.  
Passing another vehicle on a two-lane road can be  
dangerous. To reduce the risk of danger while passing:  
Look down the road, to the sides, and to crossroads  
for situations that might affect a successful pass.  
If in doubt, wait.  
Watch for traffic signs, pavement markings, and  
lines that could indicate a turn or an intersection.  
Never cross a solid or double-solid line on your side  
of the lane.  
Do not get too close to the vehicle you want to  
pass. Doing so can reduce your visibility.  
Wait your turn to pass a slow vehicle.  
When you are being passed, ease to the right.  
Loss of Control  
If the level of the shoulder is only slightly below the  
pavement, recovery should be fairly easy. Ease off the  
accelerator and then, if there is nothing in the way,  
steer so that the vehicle straddles the edge of the  
pavement. Turn the steering wheel 3 to 5 inches,  
8 to 13 cm, (about one-eighth turn) until the right front  
tire contacts the pavement edge. Then turn the steering  
wheel to go straight down the roadway.  
Let us review what driving experts say about what  
happens when the three control systems — brakes,  
steering, and acceleration — do not have enough friction  
where the tires meet the road to do what the driver  
has asked.  
In any emergency, do not give up. Keep trying to steer  
and constantly seek an escape route or area of less  
danger.  
4-12  
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Of course, traction is reduced when water, snow, ice,  
gravel, or other material is on the road. For safety, slow  
down and adjust your driving to these conditions. It is  
important to slow down on slippery surfaces because  
stopping distance will be longer and vehicle control  
more limited.  
Skidding  
In a skid, a driver can lose control of the vehicle.  
Defensive drivers avoid most skids by taking reasonable  
care suited to existing conditions, and by not overdriving  
those conditions. But skids are always possible.  
The three types of skids correspond to the vehicle’s  
three control systems. In the braking skid, the wheels  
are not rolling. In the steering or cornering skid, too much  
speed or steering in a curve causes tires to slip and lose  
cornering force. And in the acceleration skid, too much  
throttle causes the driving wheels to spin.  
While driving on a surface with reduced traction, try  
your best to avoid sudden steering, acceleration, or  
braking, including reducing vehicle speed by shifting  
to a lower gear. Any sudden changes could cause the  
tires to slide. You may not realize the surface is slippery  
until the vehicle is skidding. Learn to recognize warning  
clues — such as enough water, ice, or packed snow on  
the road to make a mirrored surface — and slow down  
when you have any doubt.  
Remember: Any traction control system helps avoid only  
the acceleration skid. If the traction control system is  
off, then an acceleration skid is best handled by easing  
your foot off the accelerator pedal.  
Remember: Any Antilock Brake System (ABS) helps  
avoid only the braking skid.  
If the vehicle starts to slide, ease your foot off the  
accelerator pedal and quickly steer the way you want  
the vehicle to go. If you start steering quickly enough,  
the vehicle may straighten out. Always be ready for  
a second skid if it occurs.  
4-13  
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greater than 534°F (279°C). After conversion to the high  
performance brake fluid, follow the brake fluid service  
recommendations outlined by the fluid manufacturer.  
Do not use silicone or DOT-5 brake fluids.  
Racing or Other Competitive Driving  
Racing or competitive driving may affect the vehicle  
warranty. See the warranty book before using the  
vehicle for racing or other competitive driving.  
If the vehicle is a ZO6 or ZR1 model or has the Z51  
performance package, it has greaseable outer ends on  
both of the rear toe-links. Under normal use, lubrication  
should be performed as described in the maintenance  
schedule. See Scheduled Maintenance on page 6-4  
If using the vehicle for racing, lubrication should be  
performed at the end of each racing day. See your  
dealer/retailer for lubrication and make sure any needed  
repairs are made at once. Proper procedures for  
performing these services can be found in the service  
on page 7-16.  
Notice: If you use the vehicle for racing or other  
competitive driving, the engine may use more oil than  
it would with normal use. Low oil levels can damage  
the engine. For information on how to add oil, see  
Engine Oil on page 5-19.  
Z06 and ZR1 Only: Be sure to check the oil level  
often during racing or other competitive driving and  
keep the level at or near the upper mark that shows  
the proper operating range on the engine oil dipstick.  
Except Z06 and ZR1: Be sure to check the oil level  
often during racing or other competitive driving and  
keep the level at or near 1 quart (1 L) above the upper  
mark that shows the proper operating range on the  
engine oil dipstick. After the competitive driving,  
remove excess oil so that the level on the dipstick is  
not above the upper mark that shows the proper  
operating range.  
If the vehicle is used for racing or other competitive  
driving, the rear axle fluid temperatures may be higher  
than would occur in normal driving. We recommend  
that the rear axle fluid be drained and refilled with new  
fluid after every 24 hours of racing or competitive  
page 6-12 for what fluid to use.  
Z06 and ZR1 Only: For racing or competitive driving, it is  
recommended that the brake fluid be replaced with a high  
performance brake fluid that has a dry boiling point  
4-14  
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Street High Performance Brake Burnishing  
Procedure  
ZR1 Brake Burnish Procedure  
Notice: These procedures are specific to the ZR1  
with ceramic brake rotors. These procedures should  
not be run on other Corvette models as damage  
may result.  
Run this procedure in a safe manner and in compliance  
with all local and state ordinances/laws regarding  
motor vehicle operation. Run this procedure only on  
dry pavement.  
Notice: The new vehicle break-in period should  
be completed before performing the brake  
burnish procedure or damage may occur to the  
powertrain/engine. See New Vehicle Break-In  
on page 2-21.  
1. From a stop, accelerate as rapidly as possible  
without activating traction control to a speed of  
60 mph (97 kph).  
2. Use enough pedal force to completely stop the  
vehicle in 4 to 5 seconds. If ABS activates,  
braking is too hard.  
When performed as instructed, these procedures will  
not damage the brakes. During the burnishing  
procedure, the brake pads will smoke and produce an  
odor. The braking force and pedal travel may increase.  
After the procedure is complete, the brake pads may  
appear white at the rotor contact.  
3. Repeat steps 1 and 2, 50 times. This should take  
about 10 minutes.  
4. After completing the 50 stops, cool the brakes by  
driving for 5 miles (8 km) at 60 mph (97 kph).  
As with all high performance brake systems, some  
amount of brake squeal is normal.  
4-15  
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Racing/Track Brake Burnish Procedure  
Driving at Night  
To prepare the ZR1 brake system for track events and  
racing, the Street High Performance Brake Burnish  
as described previously should be completed.  
Night driving is more dangerous than day driving because  
some drivers are likely to be impaired — by alcohol or  
drugs, with night vision problems, or by fatigue.  
In addition to completing the Street High Performance  
Brake Burnishing Procedure, the following additional  
procedure needs to be completed to make the  
Night driving tips include:  
Drive defensively.  
Do not drink and drive.  
ZR1 brake system ready for track events and racing.  
Reduce headlamp glare by adjusting the inside  
This procedure should only be run on a track and only  
on dry pavement.  
rearview mirror.  
Slow down and keep more space between you and  
other vehicles because headlamps can only light up  
so much road ahead.  
Watch for animals.  
When tired, pull off the road.  
Do not wear sunglasses.  
Notice: Brake pedal fade will occur during this track  
burnish procedure and can cause brake pedal travel  
and force to increase. This could extend stopping  
distance until the brakes are fully burnished.  
1. Drive a normal first lap and not too aggressive.  
2. Laps 2 and 3 should be gradually driven faster and  
more aggressive, while allowing for reduced brake  
output and increased stopping distance due to  
brake fade.  
Avoid staring directly into approaching headlamps.  
Keep the windshield and all glass on your vehicle  
clean — inside and out.  
Keep your eyes moving, especially during turns or  
curves.  
3. Lap 4 as near to full speed, while allowing for  
reduced brake output and increased stopping  
distance due to brake fade.  
No one can see as well at night as in the daytime. But, as  
we get older, these differences increase. A 50-year-old  
driver might need at least twice as much light to see the  
same thing at night as a 20-year-old.  
4. Laps 5 and 6 should be cool down laps.  
5. Lap 7 should be normal driving or an easy out lap.  
4-16  
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Hydroplaning  
Driving in Rain and on Wet Roads  
Rain and wet roads can reduce vehicle traction and  
affect your ability to stop and accelerate. Always drive  
slower in these types of driving conditions and avoid  
driving through large puddles and deep-standing  
or flowing water.  
Hydroplaning is dangerous. Water can build up under  
your vehicle’s tires so they actually ride on the  
water. This can happen if the road is wet enough  
and you are going fast enough. When your vehicle is  
hydroplaning, it has little or no contact with the road.  
There is no hard and fast rule about hydroplaning.  
The best advice is to slow down when the road is wet.  
{ CAUTION:  
Other Rainy Weather Tips  
Wet brakes can cause crashes. They might not  
work as well in a quick stop and could cause pulling  
to one side. You could lose control of the vehicle.  
Besides slowing down, other wet weather driving tips  
include:  
Allow extra following distance.  
After driving through a large puddle of water or a  
car/vehicle wash, lightly apply the brake pedal until  
the brakes work normally.  
Pass with caution.  
Keep windshield wiping equipment in good shape.  
Keep the windshield washer fluid reservoir filled.  
Flowing or rushing water creates strong forces.  
Driving through flowing water could cause your  
vehicle to be carried away. If this happens, you and  
other vehicle occupants could drown. Do not ignore  
police warnings and be very cautious about trying to  
drive through flowing water.  
Have good tires with proper tread depth. See Tires  
on page 5-62.  
Turn off cruise control.  
4-17  
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Before Leaving on a Long Trip  
Highway Hypnosis  
To prepare your vehicle for a long trip, consider having  
it serviced by your dealer/retailer before departing.  
Always be alert and pay attention to your surroundings  
while driving. If you become tired or sleepy, find a  
safe place to park your vehicle and rest.  
Things to check on your own include:  
Other driving tips include:  
Windshield Washer Fluid: Reservoir full? Windows  
Keep the vehicle well ventilated.  
Keep interior temperature cool.  
clean — inside and outside?  
Wiper Blades: In good shape?  
Fuel, Engine Oil, Other Fluids: All levels checked?  
Lamps: Do they all work and are lenses clean?  
Keep your eyes moving — scan the road ahead  
and to the sides.  
Check the rearview mirror and vehicle instruments  
often.  
Tires: Are treads good? Are tires inflated to  
recommended pressure?  
Weather and Maps: Safe to travel? Have  
up-to-date maps?  
4-18  
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Hill and Mountain Roads  
{ CAUTION:  
Driving on steep hills or through mountains is different  
than driving on flat or rolling terrain. Tips for driving  
in these conditions include:  
Coasting downhill in N (Neutral) or with the ignition  
off is dangerous. The brakes will have to do all the  
work of slowing down and they could get so hot  
that they would not work well. You would then  
have poor braking or even none going down a hill.  
You could crash. Always have the engine running  
and the vehicle in gear when going downhill.  
Keep the vehicle serviced and in good shape.  
Check all fluid levels and brakes, tires, cooling  
system, and transmission.  
Going down steep or long hills, shift to a  
lower gear.  
Stay in your own lane. Do not swing wide or cut  
across the center of the road. Drive at speeds  
that let you stay in your own lane.  
{ CAUTION:  
If you do not shift down, the brakes could get so  
hot that they would not work well. You would then  
have poor braking or even none going down a hill.  
You could crash. Shift down to let the engine  
assist the brakes on a steep downhill slope.  
Top of hills: Be alert — something could be in your  
lane (stalled car, accident).  
Pay attention to special road signs (falling rocks  
area, winding roads, long grades, passing or  
no-passing zones) and take appropriate action.  
4-19  
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The Antilock Brake System (ABS) on page 4-5 improves  
vehicle stability during hard stops on a slippery roads, but  
apply the brakes sooner than when on dry pavement.  
Winter Driving  
Driving on Snow or Ice  
Allow greater following distance on any slippery road  
and watch for slippery spots. Icy patches can occur on  
otherwise clear roads in shaded areas. The surface  
of a curve or an overpass can remain icy when the  
surrounding roads are clear. Avoid sudden steering  
maneuvers and braking while on ice.  
Drive carefully when there is snow or ice between the  
tires and the road, creating less traction or grip. Wet ice  
can occur at about 32°F (0°C) when freezing rain  
begins to fall, resulting in even less traction. Avoid  
driving on wet ice or in freezing rain until roads can be  
treated with salt or sand.  
Turn off cruise control, if equipped, on slippery surfaces.  
Drive with caution, whatever the condition. Accelerate  
gently so traction is not lost. Accelerating too quickly  
causes the wheels to spin and makes the surface under  
the tires slick, so there is even less traction.  
Blizzard Conditions  
Being stuck in snow can be in a serious situation. Stay  
with the vehicle unless there is help nearby. If possible,  
use the Roadside Assistance Program on page 7-7.  
To get help and keep everyone in the vehicle safe:  
Try not to break the fragile traction. If you accelerate  
too fast, the drive wheels will spin and polish the surface  
under the tires even more.  
Turn on the Hazard Warning Flashers on page 3-6.  
improves the ability to accelerate on slippery roads,  
but slow down and adjust your driving to the road  
conditions. The Active Handling System on page 4-7  
might also activate. When driving through deep  
snow, turn off the traction control system to help  
maintain vehicle motion at lower speeds.  
Tie a red cloth to an outside mirror.  
4-20  
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CAUTION: (Continued)  
{ CAUTION:  
For more information about carbon monoxide,  
see Engine Exhaust on page 2-36.  
Snow can trap engine exhaust under the vehicle.  
This may cause exhaust gases to get inside.  
Engine exhaust contains carbon monoxide (CO)  
which cannot be seen or smelled. It can cause  
unconsciousness and even death.  
Snow can trap exhaust gases under your vehicle.  
This can cause deadly CO (carbon monoxide) gas  
to get inside. CO could overcome you and kill you.  
You cannot see it or smell it, so you might not  
know it is in your vehicle. Clear away snow from  
around the base of your vehicle, especially any  
that is blocking the exhaust.  
If the vehicle is stuck in the snow:  
Clear away snow from around the base of  
your vehicle, especially any that is blocking  
the exhaust pipe.  
Check again from time to time to be sure  
snow does not collect there.  
Open a window about two inches (5 cm) on  
the side of the vehicle that is away from the  
wind to bring in fresh air.  
Fully open the air outlets on or under the  
instrument panel.  
Adjust the Climate Control system to a setting  
that circulates the air inside the vehicle and  
set the fan speed to the highest setting.  
See Climate Control System in the Index.  
Run the engine for short periods only as needed to  
keep warm, but be careful.  
To save fuel, run the engine for only short periods as  
needed to warm the vehicle and then shut the engine off  
and close the window most of the way to save heat.  
Repeat this until help arrives but only when you  
feel really uncomfortable from the cold. Moving about  
to keep warm also helps.  
If it takes some time for help to arrive, now and then  
when you run the engine, push the accelerator pedal  
slightly so the engine runs faster than the idle speed.  
This keeps the battery charged to restart the vehicle and  
to signal for help with the headlamps. Do this as little as  
possible to save fuel.  
CAUTION: (Continued)  
4-21  
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If Your Vehicle is Stuck in Sand,  
Mud, Ice, or Snow  
Rocking Your Vehicle to Get It Out  
Turn the steering wheel left and right to clear the  
area around the front wheels. Turn the traction control  
system off. Shift back and forth between R (Reverse)  
and a forward gear, spinning the wheels as little  
as possible. For a manual transmission, shift slowly  
between either 1 (First) or 2 (Second) and R (Reverse),  
allowing the wheels to stop before shifting into gear.  
To prevent transmission wear, wait until the wheels  
stop spinning before shifting gears. Release the  
accelerator pedal while shifting, and press lightly on the  
accelerator pedal when the transmission is in gear.  
Slowly spinning the wheels in the forward and reverse  
directions causes a rocking motion that could free  
the vehicle. If that does not get the vehicle out after a  
few tries, it might need to be towed out. If the vehicle  
does need to be towed out, see Towing Your Vehicle  
on page 4-28.  
Slowly and cautiously spin the wheels to free the  
vehicle when stuck in sand, mud, ice, or snow. See  
If the vehicle has a traction system, it can often help to  
free a stuck vehicle. Refer to the vehicle’s traction system  
in the Index. If stuck too severely for the traction system  
to free the vehicle, turn the traction system off and use  
the rocking method.  
{ CAUTION:  
If you let your vehicle’s tires spin at high speed,  
they can explode, and you or others could be  
injured. The vehicle can overheat, causing an  
engine compartment fire or other damage. Spin the  
wheels as little as possible and avoid going above  
35 mph (55 km/h) as shown on the speedometer.  
For information about using tire chains on the vehicle,  
see Tire Chains on page 5-85.  
4-22  
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Tire and Loading Information Label  
Loading the Vehicle  
It is very important to know how much weight your  
vehicle can carry. This weight is called the vehicle  
capacity weight and includes the weight of all  
occupants, cargo and all nonfactory-installed  
options. Two labels on your vehicle show how much  
weight it may properly carry, the Tire and Loading  
Information label and the Certification label.  
{ CAUTION:  
Do not load the vehicle any heavier than the  
Gross Vehicle Weight Rating (GVWR), or  
either the maximum front or rear Gross Axle  
Weight Rating (GAWR). If you do, parts on the  
vehicle can break, and it can change the way  
your vehicle handles. These could cause you  
to lose control and crash. Also, overloading  
can shorten the life of the vehicle.  
Label Example  
A vehicle specific Tire and Loading Information  
label is attached to the center pillar (B-pillar) of  
your vehicle. With the driver’s door open, you  
will find the label attached below the door latch.  
This label shows the number of occupant seating  
positions (A), and the maximum vehicle capacity  
weight (B) in kilograms and pounds.  
The Tire and Loading Information label also shows  
the size of the original equipment tires (C) and  
the recommended cold tire inflation pressures (D).  
4-23  
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For more information on tires and inflation see  
on page 5-71.  
4. The resulting figure equals the available  
amount of cargo and luggage load capacity.  
For example, if the “XXX” amount equals  
1400 lbs and there will be five 150 lb  
There is also important loading information on the  
vehicle Certification label. It tells you the Gross  
Vehicle Weight Rating (GVWR) and the Gross Axle  
Weight Rating (GAWR) for the front and rear axle.  
See “Certification Label” later in this section.  
passengers in your vehicle, the amount of  
available cargo and luggage load capacity is  
650 lbs (1400 750 (5 x 150) = 650 lbs).  
5. Determine the combined weight of luggage  
and cargo being loaded on the vehicle.  
That weight may not safely exceed the  
available cargo and luggage load capacity  
calculated in Step 4.  
Steps for Determining Correct Load Limit  
1. Locate the statement “The combined weight of  
occupants and cargo should never exceed  
XXX kg or XXX lbs” on your vehicle’s placard.  
6. If your vehicle will be towing a trailer, the load  
from your trailer will be transferred to your  
vehicle. Consult this manual to determine how  
this reduces the available cargo and luggage  
load capacity of your vehicle.  
2. Determine the combined weight of the driver  
and passengers that will be riding in your  
vehicle.  
3. Subtract the combined weight of the driver  
and passengers from XXX kg or XXX lbs.  
Your vehicle is neither designed nor intended  
to tow a trailer.  
4-24  
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Example 1  
Example 2  
Item  
Description  
Total  
Item  
Description  
Total  
Vehicle Capacity  
Weight for  
Example 1 =  
Vehicle Capacity  
Weight for  
Example 2 =  
A
400 lbs (181 kg)  
A
400 lbs (181 kg)  
Subtract Occupant  
Weight @ 150 lbs  
(68 kg) x 1 =  
Available Occupant  
and Cargo Weight =  
Subtract Occupant  
Weight @ 150 lbs  
(68 kg) x 2 =  
Available Cargo  
Weight =  
B
C
150 lbs (68 kg)  
250 lbs (113 kg)  
B
C
300 lbs (136 kg)  
100 lbs (45 kg)  
4-25  
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positions. The combined weight of the driver,  
passengers and cargo should never exceed your  
vehicle’s capacity weight.  
Certification Label  
Example 3  
Item  
Description  
Total  
Vehicle Capacity  
Weight for  
Example 3 =  
A
400 lbs (181 kg)  
Subtract Occupant  
Weight @ 200 lbs  
(91 kg) x 2 =  
Available Cargo  
Weight =  
B
C
400 lbs (181 kg)  
0 lbs (0 kg)  
A vehicle specific Certification label is attached  
to the rear edge of the driver’s door. It tells you  
the gross weight capacity of your vehicle, called  
the Gross Vehicle Weight Rating (GVWR).  
The GVWR includes the weight of the vehicle,  
all occupants, fuel and cargo. Never exceed the  
GVWR for your vehicle, or the Gross Axle Weight  
Rating (GAWR) for either the front or rear axle.  
Refer to your vehicle’s Tire and Loading  
Information label for specific information about  
your vehicle’s capacity weight and seating  
4-26  
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Do not load your vehicle with more weight than it  
was designed to carry. See “Steps for Determining  
Correct Load Limit” earlier in this section.  
If you put things inside your vehicle — like  
suitcases, tools, packages or anything else — they  
will go as fast as the vehicle goes. If you have  
to stop or turn quickly, or if there is a crash, they  
will keep going.  
{ CAUTION:  
{ CAUTION:  
Do not load the vehicle any heavier than the  
Gross Vehicle Weight Rating (GVWR), or  
either the maximum front or rear Gross Axle  
Weight Rating (GAWR). If you do, parts on the  
vehicle can break, and it can change the way  
your vehicle handles. These could cause you  
to lose control and crash. Also, overloading  
can shorten the life of the vehicle.  
Things you put inside your vehicle can strike  
and injure people in a sudden stop or turn, or  
in a crash.  
Put things in the rear area of your  
vehicle. Try to spread the weight evenly.  
Never stack heavier things, like  
suitcases, inside the vehicle so that some  
of them are above the tops of the seats.  
Do not leave an unsecured child restraint  
in your vehicle.  
Notice: Overloading your vehicle may cause  
damage. Repairs would not be covered by your  
warranty. Do not overload your vehicle.  
When you carry something inside the  
vehicle, secure it whenever you can.  
4-27  
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Recreational Vehicle Towing  
Towing  
Notice: Dolly towing or dinghy towing the vehicle  
may cause damage because of reduced ground  
clearance. Always put the vehicle on a flatbed truck  
or trailer.  
Towing Your Vehicle  
To avoid damage, the disabled vehicle should be towed  
with all four wheels off the ground. Consult your dealer/  
retailer or a professional towing service if the disabled  
vehicle must be towed. See Roadside Assistance  
Program on page 7-7.  
The vehicle was neither designed nor intended to be  
towed with any of its wheels on the ground. If the vehicle  
must be towed, see “Towing Your Vehicle” earlier in  
this section.  
Towing a Trailer  
The vehicle is neither designed nor intended to tow a  
trailer.  
4-28  
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Section 5  
Service and Appearance Care  
5-1  
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Section 5  
Service and Appearance Care  
5-2  
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Accessories and Modifications  
Service  
When non-dealer/non-retailer accessories are added  
to the vehicle, they can affect vehicle performance and  
safety, including such things as airbags, braking, stability,  
ride and handling, emissions systems, aerodynamics,  
durability, and electronic systems like antilock brakes,  
traction control, and stability control. Some of these  
accessories could even cause malfunction or damage  
not covered by the vehicle warranty.  
For service and parts needs, visit your dealer/retailer.  
You will receive genuine GM parts and GM-trained and  
supported service people.  
Genuine GM parts have one of these marks:  
Damage to vehicle components resulting from the  
installation or use of non-GM certified parts, including  
control module modifications, are not covered under the  
terms of the vehicle warranty and may affect remaining  
warranty coverage for affected parts.  
GM Accessories are designed to complement and  
function with other systems on the vehicle. Your GM  
dealer/retailer can accessorize the vehicle using genuine  
GM Accessories. When you go to your GM dealer/  
retailer and ask for GM Accessories, you will know that  
GM-trained and supported service technicians will  
perform the work using genuine GM Accessories.  
Vehicle on page 1-56.  
5-3  
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California Proposition 65 Warning  
Doing Your Own Service Work  
Most motor vehicles, including this one, contain and/or  
emit chemicals known to the State of California to  
cause cancer and birth defects or other reproductive  
harm. Engine exhaust, many parts and systems  
(including some inside the vehicle), many fluids, and  
some component wear by-products contain and/or emit  
these chemicals.  
{ CAUTION:  
You can be injured and the vehicle could be  
damaged if you try to do service work on a vehicle  
without knowing enough about it.  
Be sure you have sufficient knowledge,  
experience, the proper replacement parts,  
and tools before attempting any vehicle  
maintenance task.  
Be sure to use the proper nuts, bolts, and  
other fasteners. English and metric fasteners  
can be easily confused. If the wrong fasteners  
are used, parts can later break or fall off.  
You could be hurt.  
California Perchlorate Materials  
Requirements  
Certain types of automotive applications, such as  
airbag initiators, seat belt pretensioners, and lithium  
batteries contained in remote keyless transmitters,  
may contain perchlorate materials. Special handling  
may be necessary. For additional information, see  
www.dtsc.ca.gov/hazardouswaste/perchlorate.  
5-4  
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If doing some of your own service work, use the proper  
service manual. It tells you much more about how to  
service the vehicle than this manual can. To order  
the proper service manual, see Service Publications  
Ordering Information on page 7-16.  
Fuel  
Use of the recommended fuel is an important part of the  
proper maintenance of this vehicle. To help keep the  
engine clean and maintain optimum vehicle performance,  
we recommend the use of gasoline advertised as  
TOP TIER Detergent Gasoline.  
This vehicle has an airbag system. Before attempting  
to do your own service work, see Servicing Your  
Airbag-Equipped Vehicle on page 1-56.  
The 8th digit of the Vehicle Identification Number (VIN)  
shows the code letter or number that identifies the  
vehicle’s engine. The VIN is at the top left of the  
instrument panel. See Vehicle Identification Number  
(VIN) on page 5-101.  
Keep a record with all parts receipts and list the  
mileage and the date of any service work performed.  
See Maintenance Record on page 6-16.  
Adding Equipment to the Outside of  
the Vehicle  
Gasoline Octane  
If the vehicle has the 6.2L V8 engine (VIN Code W),  
use premium unleaded gasoline with a posted octane  
rating of 91 or higher. You can also use regular unleaded  
gasoline rated at 87 octane or higher, but the vehicle’s  
acceleration could be slightly reduced, and you might  
notice a slight audible knocking noise, commonly  
Things added to the outside of the vehicle can affect the  
airflow around it. This can cause wind noise and can  
affect fuel economy and windshield washer performance.  
Check with your dealer/retailer before adding equipment  
to the outside of the vehicle.  
referred to as spark knock. If the octane is less than 87,  
you might notice a heavy knocking noise when you drive.  
5-5  
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If this occurs, use a gasoline rated at 87 octane or higher  
as soon as possible. Otherwise, you could damage the  
engine. If you are using gasoline rated at 87 octane or  
higher and you hear heavy knocking, the engine needs  
service.  
Gasoline Specifications  
At a minimum, gasoline should meet ASTM specification  
D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in  
Canada. Some gasolines contain an octane-enhancing  
additive called methylcyclopentadienyl manganese  
tricarbonyl (MMT). We recommend against the use of  
gasolines containing MMT. See Additives on page 5-7 for  
additional information.  
If the vehicle has the 6.2L V8 engine (VIN Code R) or the  
7.0L V8 engine (VIN Code E), use premium unleaded  
gasoline with a posted octane rating of 91 or higher. For  
best performance, use premium unleaded gasoline with a  
posted octane rating of 93. In an emergency, you can use  
regular unleaded gasoline with an octane rating of 87 or  
higher. If 87 octane fuel is used, do not perform any  
aggressive driving maneuvers such as wide open throttle  
applications. You might also hear audible spark knock  
during acceleration. Refill the tank with premium fuel as  
soon as possible to avoid damaging the engine. If you are  
using gasoline rated at 91 octane or higher and you hear  
heavy knocking, the engine needs service.  
California Fuel  
If the vehicle is certified to meet California Emissions  
Standards, it is designed to operate on fuels that meet  
California specifications. See the underhood emission  
control label. If this fuel is not available in states adopting  
California emissions standards, the vehicle will operate  
satisfactorily on fuels meeting federal specifications, but  
emission control system performance might be affected.  
The malfunction indicator lamp could turn on and the  
vehicle might fail a smog-check test. See Malfunction  
Indicator Lamp on page 3-44. If this occurs, return to your  
authorized dealer/retailer for diagnosis. If it is determined  
that the condition is caused by the type of fuel used,  
repairs might not be covered by the vehicle warranty.  
5-6  
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Gasolines containing oxygenates, such as ethers and  
ethanol, and reformulated gasolines might be available in  
your area. We recommend that you use these gasolines,  
if they comply with the specifications described earlier.  
However, E85 (85% ethanol) and other fuels containing  
more than 10% ethanol must not be used in vehicles that  
were not designed for those fuels.  
Additives  
To provide cleaner air, all gasolines in the United States  
are now required to contain additives that help prevent  
engine and fuel system deposits from forming, allowing  
the emission control system to work properly. In most  
cases, you should not have to add anything to the fuel.  
However, some gasolines contain only the minimum  
amount of additive required to meet U.S. Environmental  
Protection Agency regulations. To help keep fuel injectors  
and intake valves clean, or if the vehicle experiences  
problems due to dirty injectors or valves, look for gasoline  
that is advertised as TOP TIER Detergent Gasoline.  
Notice: This vehicle was not designed for fuel that  
contains methanol. Do not use fuel containing  
methanol. It can corrode metal parts in the fuel  
system and also damage plastic and rubber parts.  
That damage would not be covered under the  
vehicle warranty.  
For customers who do not use TOP TIER Detergent  
Gasoline regularly, one bottle of GM Fuel System  
Treatment PLUS, added to the fuel tank at every engine  
oil change, can help clean deposits from fuel injectors  
and intake valves. GM Fuel System Treatment PLUS is  
the only gasoline additive recommended by General  
Motors.  
Some gasolines that are not reformulated for  
low emissions can contain an octane-enhancing  
additive called methylcyclopentadienyl manganese  
tricarbonyl (MMT); ask the attendant where you  
buy gasoline whether the fuel contains MMT.  
Also, your dealer/retailer has additives that will help  
correct and prevent most deposit-related problems.  
5-7  
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We recommend against the use of such gasolines.  
Fuels containing MMT can reduce the life of spark plugs  
and the performance of the emission control system  
could be affected. The malfunction indicator lamp might  
turn on. If this occurs, return to your dealer/retailer for  
service.  
Filling the Tank  
{ CAUTION:  
Fuel vapor burns violently and a fuel fire can  
cause bad injuries. To help avoid injuries to you  
and others, read and follow all the instructions on  
the pump island. Turn off the engine when you are  
refueling. Do not smoke if you are near fuel or  
refueling the vehicle. Do not use cellular phones.  
Keep sparks, flames, and smoking materials away  
from fuel. Do not leave the fuel pump unattended  
when refueling the vehicle. This is against the law  
in some places. Do not re-enter the vehicle while  
pumping fuel. Keep children away from the fuel  
pump; never let children pump fuel.  
Fuels in Foreign Countries  
If you plan on driving in another country outside the  
United States or Canada, the proper fuel might be hard  
to find. Never use leaded gasoline or any other fuel  
not recommended in the previous text on fuel. Costly  
repairs caused by use of improper fuel would not  
be covered by the vehicle warranty.  
To check the fuel availability, ask an auto club, or  
contact a major oil company that does business in the  
country where you will be driving.  
5-8  
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The fuel door release  
button is located on the  
instrument panel to the left  
of the steering wheel. Push  
the button to release the  
fuel door.  
The tethered fuel cap is located behind a hinged fuel  
door on the driver side of the vehicle.  
5-9  
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There is also a manual  
fuel door release tab.  
It is located against the  
upper trim in the rear  
{ CAUTION:  
compartment on the driver  
side of the vehicle. Pull the  
tab to release the fuel door.  
Fuel can spray out on you if you open the fuel cap  
too quickly. If you spill fuel and then something  
ignites it, you could be badly burned. This spray  
can happen if the tank is nearly full, and is more  
likely in hot weather. Open the fuel cap slowly and  
wait for any hiss noise to stop. Then unscrew the  
cap all the way.  
To remove the fuel cap, turn it slowly counterclockwise.  
Be careful not to spill fuel. Do not top off or overfill the  
tank and wait a few seconds after you have finished  
pumping before removing the nozzle. Clean fuel  
from painted surfaces as soon as possible.  
While refueling, let the cap hang by the tether below  
the fuel fill opening.  
See Washing Your Vehicle on page 5-95.  
5-10  
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When replacing the fuel cap, turn it clockwise until it  
clicks. Make sure the cap is fully installed. The diagnostic  
system can determine if the fuel cap has been left off or  
improperly installed. This would allow fuel to evaporate  
into the atmosphere. See Malfunction Indicator Lamp on  
page 3-44.  
Filling a Portable Fuel Container  
{ CAUTION:  
Never fill a portable fuel container while it is in the  
vehicle. Static electricity discharge from the  
container can ignite the fuel vapor. You can be  
badly burned and the vehicle damaged if this  
occurs. To help avoid injury to you and others:  
Dispense fuel only into approved containers.  
Do not fill a container while it is inside a  
vehicle, in a vehicle’s trunk, pickup bed, or on  
any surface other than the ground.  
Bring the fill nozzle in contact with the inside  
of the fill opening before operating the nozzle.  
Contact should be maintained until the filling  
is complete.  
The CHECK GAS CAP message displays on the Driver  
Information Center (DIC) if the fuel cap is not properly  
installed. See DIC Warnings and Messages on  
page 3-56 for more information.  
{ CAUTION:  
If a fire starts while you are refueling, do not remove  
the nozzle. Shut off the flow of fuel by shutting off  
the pump or by notifying the station attendant.  
Leave the area immediately.  
Do not smoke while pumping fuel.  
Do not use a cellular phone while  
pumping fuel.  
Notice: If you need a new fuel cap, be sure to get  
the right type. Your dealer/retailer can get one for  
you. If you get the wrong type, it may not fit properly.  
This may cause the malfunction indicator lamp to  
light and may damage the fuel tank and emissions  
page 3-44.  
5-11  
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Checking Things Under  
the Hood  
{ CAUTION:  
Things that burn can get on hot engine parts and  
start a fire. These include liquids like fuel, oil,  
coolant, brake fluid, windshield washer and other  
fluids, and plastic or rubber. You or others could  
be burned. Be careful not to drop or spill things  
that will burn onto a hot engine.  
{ CAUTION:  
An electric fan under the hood can start up and  
injure you even when the engine is not running.  
Keep hands, clothing, and tools away from any  
underhood electric fan.  
5-12  
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Hood Release  
To open the hood:  
1. Pull the hood release  
lever with this symbol  
on it. It is located inside  
the vehicle below the  
instrument panel on the  
driver side.  
2. Go to the side of the vehicle and pull up on the rear  
edge of the hood, near the windshield.  
Before closing the hood, be sure all the filler caps are  
on properly. Then, just pull the hood down and  
close it firmly.  
5-13  
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Engine Compartment Overview  
If your vehicle has the 6.2L LS3 V8 engine and you are facing the front, when you open the hood, here is what you  
will see:  
5-14  
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A. Clutch Master Cylinder Reservoir (If Equipped).  
G. Engine Oil Fill Cap. See “When to Add Engine Oil”  
See Hydraulic Clutch on page 5-31.  
under Engine Oil on page 5-19.  
B. Windshield Washer Fluid Reservoir. See “Adding  
Washer Fluid” under Windshield Washer Fluid  
on page 5-42.  
H. Engine Oil Dipstick. See “Checking Engine Oil”  
under Engine Oil on page 5-19.  
I. Engine Compartment Fuse Block on page 5-106.  
C. Brake Fluid Reservoir. See “Brake Fluid” under  
J. Passenger Compartment Air Filter (Out of View).  
Brakes on page 5-43.  
D. Coolant Surge Tank and Pressure Cap. See Engine  
Coolant on page 5-34.  
K. Battery on page 5-49.  
E. Engine Air Cleaner/Filter on page 5-28.  
F. Power Steering Fluid Reservoir. See Power Steering  
Fluid on page 5-41.  
5-15  
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If your vehicle has the 6.2L LS9 Supercharged V8 engine and you are facing the front, when you open the hood,  
here is what you will see:  
5-16  
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A. Intercooler. See Cooling System (Engine) on  
page 5-33.  
G. Brake Fluid Reservoir. See “Brake Fluid” under  
Brakes on page 5-43.  
H. Passenger Compartment Air Filter (Out of View).  
B. Engine Air Cleaner/Filter on page 5-28.  
C. Power Steering Fluid Reservoir and Cap. See Power  
Steering Fluid on page 5-41.  
I. Engine Oil Fill Cap. See “When to Add Engine Oil”  
under Engine Oil on page 5-19.  
D. Coolant Surge Tank and Pressure Cap. See Engine  
Coolant on page 5-34.  
J. Engine Oil Dipstick. See “Checking Engine Oil”  
under Engine Oil on page 5-19.  
E. Windshield Washer Fluid Reservoir. See “Adding  
Washer Fluid” under Windshield Washer Fluid  
on page 5-42.  
K. Remote Positive (+) Terminal (Out of View).  
See Jump Starting on page 5-50.  
L. Engine Compartment Fuse Block on page 5-106.  
F. Clutch Master Cylinder Reservoir (If Equipped).  
See Hydraulic Clutch on page 5-31.  
5-17  
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If your vehicle has the 7.0L LS7 V8 engine and you are facing the driver side of the vehicle, when you open the  
hood, here is what you will see:  
5-18  
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A. Engine Air Cleaner/Filter on page 5-28.  
Engine Oil  
B. Power Steering Fluid Reservoir. See Power Steering  
Fluid on page 5-41.  
Checking Engine Oil  
(Except ZO6 and ZR1)  
C. Engine Compartment Fuse Block on page 5-106.  
D. Remote Positive (+) Terminal (Out of View).  
If the CHECK OIL LEVEL message displays on the  
Driver Information Center (DIC), check the engine oil  
level right away. For more information, see Driver  
Information Center (DIC) on page 3-50. Check the  
engine oil level regularly; this is an added reminder.  
See Jump Starting on page 5-50.  
E. Engine Oil Dipstick. See “Checking Engine Oil”  
under Engine Oil on page 5-19.  
F. Dry Sump Engine Oil Tank. See “Changing Engine  
Oil and Filter (Z06 Only)” Engine Oil on page 5-19.  
It is a good idea to check the engine oil level at each  
fuel fill. In order to get an accurate reading, the oil must  
be warm and the vehicle must be on level ground.  
G. Engine Oil Fill Cap. See “When to Add Engine  
Oil” under Engine Oil on page 5-19.  
H. Coolant Surge Tank and Pressure Cap. See Engine  
Coolant on page 5-34.  
The engine oil dipstick handle is a yellow loop.  
See Engine Compartment Overview on page 5-14  
for the location of the engine oil dipstick.  
I. Windshield Washer Fluid Reservoir. See “Adding  
Washer Fluid” under Windshield Washer Fluid  
on page 5-42.  
1. Turn off the engine and give the oil a few minutes  
to drain back into the oil pan. If this is not done, the  
oil dipstick might not show the actual level.  
J. Brake Fluid Reservoir. See “Brake Fluid” under  
Brakes on page 5-43.  
2. Pull out the dipstick and clean it with a lint-free paper  
towel or a cloth, then push it back in all the way.  
K. Clutch Master Cylinder Reservoir. See Hydraulic  
Clutch on page 5-31.  
3. Remove the dipstick again, keeping the tip down  
and read the level on the cross-hatched area. Oil  
levels that fall in the cross-hatched area are normal.  
4. Push the dipstick back in all the way.  
5-19  
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Notice: Do not add too much oil. If the engine  
has so much oil that the oil level gets above the  
cross-hatched area that shows the proper operating  
range, the engine could be damaged.  
When to Add Engine Oil  
(Except ZO6 and ZR1)  
Overview on page 5-14 for  
the location of the engine  
oil fill cap.  
If the oil is below the cross-hatched area at the tip of the  
dipstick, add at least one quart/liter of the recommended  
oil. This section explains what kind of oil to use. For  
engine oil crankcase capacity, see Capacities and  
Specifications on page 5-110.  
Add enough oil to put the level somewhere in the proper  
operating range. Push the dipstick all the way back in  
when through.  
for additional information on engine oil.  
5-20  
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The engine oil dipstick handle is a yellow loop.  
The dipstick is located on the dry sump engine oil tank.  
See Engine Compartment Overview on page 5-14  
for the location of the dry sump engine oil tank.  
Checking Engine Oil (ZO6 and ZR1)  
These vehicles have a racetrack-ready dry sump  
engine lubrication system. This high-performance system  
operates differently than a standard engine lubrication  
system and requires a special procedure when checking  
the engine oil level. Follow this procedure closely when  
checking the engine oil level.  
The engine oil level must be checked when the engine is  
warm. Cold oil level in the dry sump tank may not indicate  
the actual amount of oil in the system. With this system,  
engine oil is contained in an external tank, separate  
from the engine. Under normal operating conditions,  
the oil pan under the engine does not store any oil.  
A. Engine Oil Dipstick  
B. Engine Oil Fill Cap  
It is a good idea to check the engine oil level at each  
fuel fill. In order to get an accurate reading, the oil must  
be warm and the vehicle must be on level ground.  
5-21  
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If the vehicle has been parked for an extended period  
without the engine being started, some oil will seep back  
into the oil pan, reducing the amount of oil held in the dry  
sump tank and there could be no engine oil at all showing  
on the dipstick. This is normal since the dipstick is  
designed to read engine oil level only after the engine has  
run long enough to reach normal operating temperature.  
Do not add engine oil based on cold engine dipstick  
readings. The engine oil level on the dipstick will also be  
inaccurate if checked while the engine is running.  
3. Wait at least five minutes (but not more than  
20 minutes) to allow oil to drain and settle in  
the engine.  
4. Remove the dipstick from the external engine oil  
tank and clean it with a lint-free paper towel or a  
cloth. Re-insert the dipstick into the external oil tank,  
pushing it all the way in until it stops.  
5. Remove the dipstick from the oil tank and read the  
level on the cross-hatched area. Oil levels that fall  
in the cross-hatched area are normal.  
1. To obtain an accurate engine oil level reading,  
warm up the engine to at least 175°F (80°C).  
Cold oil will not give a correct oil level reading.  
2. Once the engine is warm, turn off the engine.  
Checking the oil while the engine is running  
will result in an incorrect oil level reading.  
5-22  
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Overview on page 5-14 for  
the location of the external  
engine oil tank and fill cap.  
When to Add Engine Oil (ZO6 and ZR1)  
If the oil is below the cross-hatched area at the  
tip of the dipstick, add at least one quart/liter of the  
recommended oil through the oil fill cap opening in  
the oil tank. This section explains what kind of oil to use.  
For engine oil crankcase capacity, see Capacities and  
Specifications on page 5-110.  
Add enough oil to put the level somewhere in the proper  
operating range. Push the dipstick all the way back  
into the oil tank when through.  
Changing Engine Oil and Filter  
(ZO6 and ZR1)  
for additional information on engine oil.  
These vehicles have a racetrack-ready dry sump engine  
lubrication system. This high-performance system  
operates differently than a standard engine lubrication  
system and requires a special procedure when changing  
the engine oil and filter. Follow this procedure closely  
when changing the engine oil and filter.  
Notice: Do not add too much oil. If the engine  
has so much oil that the oil level gets above the  
cross-hatched area that shows the proper operating  
range, the engine could be damaged.  
5-23  
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2. Once the oil has been drained from the engine,  
remove the engine oil filter and allow the oil to  
drain.  
3. Re-install both drain plugs and tighten them to  
18 lb ft (25 Y ).  
4. Replace the oil filter and tighten it to 18 lb ft  
on page 6-14 for the correct filter.  
5. Oil is filled through the opening in the top of the  
external engine oil tank. Remove the oil fill cap.  
6. Add 10.5 quarts (9.9 L) of oil to the oil tank.  
See Capacities and Specifications on page 5-110.  
7. Install the oil fill cap and insert the dipstick, if  
removed.  
8. Start the engine and let it run at idle for at least  
15 seconds. This will circulate the fresh engine  
oil through the lubrication system.  
ZO6 Shown, ZR1 Similar  
A. Engine Oil Drain Plugs  
9. Shut off the engine and check the oil level as  
described under “Checking Engine Oil (ZO6  
and ZR1).”  
B. Seals  
1. Remove the two engine oil drain plugs from the  
bottom of the engine oil pan. One drain plug  
drains the external oil tank via the oil transfer supply  
line. The other drain plug drains residual oil from  
the crankcase sump. Allow the oil to drain.  
5-24  
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Notice: Using oils that do not have the GM4718M  
Standard designation can cause engine damage not  
covered by the vehicle warranty.  
What Kind of Engine Oil to Use  
Look for three things:  
SAE 5W-30  
SAE 5W-30 is best for the vehicle. These numbers  
on an oil container show its viscosity, or thickness.  
Do not use other viscosity oils such as SAE 20W-50.  
American Petroleum Institute (API) starburst symbol  
Oils meeting these  
requirements should have  
the starburst symbol on  
the container. This symbol  
indicates that the oil  
has been certified by the  
American Petroleum  
Institute (API).  
This vehicle’s engine was filled at the factory with a  
Mobil 1® synthetic oil meeting all requirements for this  
vehicle.  
GM4718M  
This vehicle’s engine requires a special oil  
meeting GM Standard GM4718M. Oils meeting this  
standard may be identified as synthetic. However,  
not all synthetic oils will meet this GM standard.  
Use only an oil that meets GM Standard GM4718M.  
Substitute Engine Oil: When adding oil to maintain  
engine oil level, oil meeting GM Standard GM4718M  
might not be available. You can add substitute oil  
designated SAE 5W-30 with the starburst symbol at all  
temperatures. Substitute oil not meeting GM Standard  
GM4718M should not be used for an oil change.  
5-25  
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Z06 and ZR1 models have a racetrack-ready dry sump  
engine lubrication system. This high-performance system  
operates differently than a standard engine lubrication  
system and requires a special procedure when changing  
the engine oil and filter. See Engine Oil on page 5-19.  
Engine Oil Additives / Engine Oil  
Flushes  
Do not add anything to the oil. The recommended oils  
with the starburst symbol that meet GM Standard  
GM4718M are all that is needed for good performance  
and engine protection.  
When the system has calculated that oil life has been  
diminished, it indicates that an oil change is necessary.  
A CHANGE ENGINE OIL message comes on. Change  
the oil as soon as possible within the next 600 miles  
(1 000 km). It is possible that, if driving under the best  
conditions, the oil life system might not indicate that an oil  
change is necessary for over a year. However, the engine  
oil and filter must be changed at least once a year and at  
this time the system must be reset. Your dealer/retailer  
has trained service people who will perform this work  
using genuine parts and reset the system. It is also  
important to check the oil regularly and keep it at the  
proper level.  
Engine oil system flushes are not recommended and  
could cause engine damage not covered by the vehicle  
warranty.  
Engine Oil Life System  
When to Change Engine Oil  
This vehicle has a computer that indicates when to  
change the engine oil and filter. This is based on engine  
revolutions and engine temperature, and not on mileage.  
Based on driving conditions, the mileage at which an oil  
change is indicated can vary considerably. For the oil life  
system to work properly, the system must be reset every  
time the oil is changed.  
If the system is ever reset accidentally, the oil must be  
changed at 3,000 miles (5 000 km) since the last oil  
change. Remember to reset the oil life system whenever  
the oil is changed.  
5-26  
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How to Reset the Engine Oil Life  
System  
What to Do with Used Oil  
Used engine oil contains certain elements that can be  
unhealthy for your skin and could even cause cancer.  
Do not let used oil stay on your skin for very long. Clean  
your skin and nails with soap and water, or a good hand  
cleaner. Wash or properly dispose of clothing or rags  
containing used engine oil. See the manufacturer’s  
warnings about the use and disposal of oil products.  
The Engine Oil Life System calculates when to change  
the engine oil and filter based on vehicle use. Whenever  
the oil is changed, reset the system so it can calculate  
when the next oil change is required. If a situation occurs  
where the oil is changed prior to a CHANGE ENGINE OIL  
message being turned on, reset the system.  
Used oil can be a threat to the environment. If you  
change your own oil, be sure to drain all the oil from the  
filter before disposal. Never dispose of oil by putting it in  
the trash, pouring it on the ground, into sewers, or into  
streams or bodies of water. Recycle it by taking it to a  
place that collects used oil.  
To reset the CHANGE ENGINE OIL message after an  
oil change:  
1. Press the TRIP button so the OIL LIFE percentage  
is displayed.  
2. Press RESET and hold for two seconds. OIL LIFE  
REMAINING 100% will appear.  
If the CHANGE ENGINE OIL message comes back on  
when the vehicle is started, the engine oil life system  
has not reset. Repeat the procedure.  
5-27  
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When to Inspect the Engine Air  
Cleaner/Filter  
Engine Air Cleaner/Filter  
See Engine Compartment Overview on page 5-14 for  
Inspect the air cleaner/filter at the Maintenance II  
intervals and replace them at the first oil change after  
each 50,000 mile (80 000 km) interval. See Scheduled  
Maintenance on page 6-4 for more information. If  
you are driving in dusty/dirty conditions, inspect the filter  
at each engine oil change.  
the location of the engine air cleaner/filter.  
Notice: If you spray water into the engine air  
cleaner/filter intake and water enters the engine  
air cleaner/filter housing, you could damage your  
vehicle’s engine. The repairs would not be covered  
by your warranty. Do not spray water into the  
engine air cleaner/filter intake and/or housing.  
How to Inspect the Engine Air  
Cleaner/Filter  
If you are cleaning the vehicle with the hood open, take  
care not to spray water directly near the filter opening  
of the air cleaner, as shown in the illustration, as  
this could damage the vehicle’s engine.  
To inspect the air cleaner/filter, remove the filter from the  
vehicle and lightly shake the filter to release loose dust  
and dirt. If the filter remains caked with dirt, a new filter is  
required.  
5-28  
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To inspect or replace the engine air cleaner/filter:  
6.2 L LS9 Engine shown, 7.0 L LS7 Engine similar  
6.2 L LS3 Engine  
1. Remove the screws holding the air cleaner  
assembly.  
2. Pull the air cleaner assembly back to gain access  
to the filter element.  
5-29  
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{ CAUTION:  
Operating the engine with the air cleaner/filter off  
can cause you or others to be burned. The air  
cleaner not only cleans the air; it helps to stop  
flames if the engine backfires. If it is not there and  
the engine backfires, you could be burned. Do not  
drive with it off, and be careful working on the  
engine with the air cleaner/filter off.  
Notice: If the air cleaner/filter is off, a backfire can  
cause a damaging engine fire. And, dirt can easily get  
into the engine, which will damage it. Always have  
the air cleaner/filter in place when you are driving.  
3. Remove the screws holding the filter element in  
place.  
4. Inspect or replace the filter. See Maintenance  
Replacement Parts on page 6-14.  
5. Reverse Steps 1 and 3 to replace the air  
cleaner/filter cover.  
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Change the fluid and filter at the intervals listed in  
Additional Required Services on page 6-6, and be sure  
to use the fluid listed in Recommended Fluids and  
Lubricants on page 6-12.  
Automatic Transmission Fluid  
How to Check Automatic Transmission  
Fluid  
It is not necessary to check the transmission fluid level.  
A transmission fluid leak is the only reason for fluid loss.  
If a leak occurs, take the vehicle to your dealer/retailer  
service department and have it repaired as soon as  
possible.  
Manual Transmission Fluid  
It is not necessary to check the manual transmission fluid  
level. A transmission fluid leak is the only reason for fluid  
loss. If a leak occurs, take the vehicle to your dealer/  
retailer service department and have it repaired as soon  
on page 6-12 for the proper fluid to use.  
There is a special procedure for checking and changing  
the transmission fluid. Because this procedure is difficult,  
you should have this done at your dealer/retailer service  
department. Contact your dealer/retailer for additional  
information or the procedure can be found in the service  
manual. To purchase a service manual, see Service  
Hydraulic Clutch  
It is not necessary to regularly check clutch fluid unless  
you suspect there is a leak in the system. Adding fluid  
will not correct a leak. A fluid loss in this system could  
indicate a problem. Have the system inspected and  
repaired.  
Notice: Use of the incorrect automatic transmission  
fluid may damage the vehicle, and the damages  
may not be covered by the vehicle’s warranty.  
Always use the automatic transmission fluid listed in  
5-31  
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When to Check and What to Use  
Cooling System (Engine)  
The cooling system allows the engine to maintain the  
correct working temperature.  
The hydraulic clutch fluid  
reservoir cap has this  
symbol on it. See Engine  
on page 5-14 for reservoir  
location.  
Refer to the Maintenance Schedule for the proper fluid  
page 6-12. The fluid requires changing every two years.  
7.0L Engine shown, 6.2L Engine similar  
How to Check and Add Fluid  
Visually check the clutch fluid reservoir to make sure the  
fluid level is at the MIN (minimum) line on the side of the  
reservoir. The hydraulic clutch fluid system should be  
closed and sealed.  
A. Electric Engine Cooling Fan  
B. Coolant Surge Tank with Pressure Cap  
Do not remove the cap to check the fluid level or to top-off  
the fluid level. Remove the cap only when necessary to  
add the proper fluid until the level reaches the MIN line.  
5-32  
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Notice: Using coolant other than DEX-COOL® can  
cause premature engine, heater core, or radiator  
corrosion. In addition, the engine coolant could  
require changing sooner, at 50 000 km (30,000 miles)  
or 24 months, whichever occurs first. Any repairs  
would not be covered by the vehicle warranty.  
Always use DEX-COOL® (silicate-free) coolant in  
the vehicle.  
{ CAUTION:  
An electric engine cooling fan under the hood can  
start up even when the engine is not running and  
can cause injury. Keep hands, clothing, and tools  
away from any underhood electric fan.  
Cooling System (Intercooler)  
The 6.2L LS9 supercharged V8 engine has an  
intercooler cooling system. See Engine Compartment  
Overview on page 5-14 for location of the intercooler.  
{ CAUTION:  
Heater and radiator hoses, and other engine parts,  
can be very hot. Do not touch them. If you do, you  
can be burned.  
The intercooler cooling system has a special procedure  
for draining and adding coolant. Because this procedure  
is difficult, see your dealer/retailer for service if the  
intercooler is low on coolant. The procedure can also be  
found in the service manual. To purchase a service  
on page 7-16.  
Do not run the engine if there is a leak. If you run  
the engine, it could lose all coolant. That could  
cause an engine fire, and you could be burned.  
Get any leak fixed before you drive the vehicle.  
5-33  
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3. Loosen, but do not completely unscrew the bleeder  
valve to check for coolant in the system.  
Checking Coolant  
4. Tighten the bleeder valve if there is coolant flowing  
out of the bleeder valve.  
5. If there is no coolant flowing out of the bleeder  
valve, there could be a leak in the system.  
Tighten the bleeder valve and contact your  
dealer/retailer for service.  
Engine Coolant  
The cooling system in the vehicle is filled with  
DEX-COOL® engine coolant. This coolant is designed  
to remain in the vehicle for five years or 150,000 miles  
(240 000 km), whichever occurs first.  
The following explains the cooling system and how to  
check and add coolant when it is low. If there is a  
problem with engine overheating, see Engine  
Overheating on page 5-39.  
1. Verify that the engine and intercooler are no  
longer hot.  
2. Place a cloth to absorb possible coolant loss under  
the driver’s side bleeder valve (A).  
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Use a 50/50 mixture of clean, drinkable water and  
DEX-COOL® coolant. If using this mixture, nothing else  
needs to be added. This mixture:  
What to Use  
Gives freezing protection down to 34°F (37°C),  
{ CAUTION:  
outside temperature.  
Gives boiling protection up to 265°F (129°C),  
engine temperature.  
Adding only plain water to the cooling system can  
be dangerous. Plain water, or some other liquid  
such as alcohol, can boil before the proper coolant  
mixture will. The vehicle’s coolant warning system  
is set for the proper coolant mixture. With plain  
water or the wrong mixture, the engine could get  
too hot but would not get the overheat warning.  
The engine could catch fire and you or others  
could be burned. Use a 50/50 mixture of clean,  
drinkable water and DEX-COOL® coolant.  
Protects against rust and corrosion.  
Will not damage aluminum parts.  
Helps keep the proper engine temperature.  
Notice: If an improper coolant mixture is used,  
the engine could overheat and be badly damaged.  
The repair cost would not be covered by the vehicle  
warranty. Too much water in the mixture can freeze  
and crack the engine, radiator, heater core, and other  
parts.  
Notice: If extra inhibitors and/or additives are used  
in the vehicle’s cooling system, the vehicle could be  
damaged. Use only the proper mixture of the engine  
coolant listed in this manual for the cooling system.  
page 6-12 for more information.  
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When the engine is cold, the coolant level should be at  
the FULL COLD mark on the coolant surge tank.  
Checking Coolant  
The vehicle must be on a level surface when checking  
the coolant level.  
When the engine is hot, the level could be higher  
than the FULL COLD line. If the coolant is below the  
FULL COLD line when the engine is hot, there could  
be a leak in the cooling system.  
Check to see if coolant is visible in the coolant surge tank.  
If the coolant inside the coolant surge tank is boiling,  
do not do anything else until it cools down. If coolant  
is visible but the coolant level is not at or above the  
FULL COLD mark, add a 50/50 mixture of clean,  
drinkable water and DEX-COOL coolant at the coolant  
recovery tank, but be sure the cooling system is cool  
before this is done. See Engine Coolant on page 5-34  
for more information.  
If the coolant is low, add the coolant or take the vehicle  
to a dealer/retailer for service.  
How to Add Coolant to the Coolant  
Surge Tank  
The engine coolant  
{ CAUTION:  
surge tank is located  
toward the rear of the  
engine compartment on the  
driver side of the vehicle.  
Overview on page 5-14 for  
more information on  
location.  
You can be burned if you spill coolant on hot  
engine parts. Coolant contains ethylene glycol  
and it will burn if the engine parts are hot enough.  
Do not spill coolant on a hot engine.  
5-36  
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{ CAUTION:  
Steam and scalding liquids from a hot cooling  
system can blow out and burn you badly. They are  
under pressure, and if you turn the coolant surge  
tank pressure cap — even a little — they can  
come out at high speed. Never turn the cap when  
the cooling system, including the coolant surge  
tank pressure cap, is hot. Wait for the cooling  
system and coolant surge tank pressure cap to  
cool if you ever have to turn the pressure cap.  
If coolant is needed, add the proper DEX-COOL®  
coolant mixture directly to the surge tank, but be sure  
the cooling system is cool before this is done.  
1. When the cooling system, including the coolant  
surge tank pressure cap and upper radiator  
hose, is no longer hot, remove the pressure cap.  
Turn the pressure cap slowly counterclockwise  
about one-quarter turn and then stop.  
If you hear a hiss, wait for that to stop. A hiss  
means there is still some pressure left.  
2. Keep turning the pressure cap slowly, and remove it.  
5-37  
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3. Fill the coolant surge tank with the proper  
DEX-COOL coolant mixture until the level inside  
stabilizes at the FULL COLD mark on the front  
of the surge tank.  
4. With the coolant surge tank pressure cap off, start  
the engine and let it run until you can feel the upper  
radiator hose getting hot. Any time during this  
procedure, watch out for the engine cooling fan.  
By this time, the coolant level inside the coolant  
surge tank may be lower. If the level is lower, add  
more of the proper mixture to the coolant surge tank  
until the level stabilizes at the FULL COLD mark  
on the coolant surge tank.  
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5. Replace the pressure cap. Be sure the pressure  
cap is hand-tight and fully seated.  
You may decide not to lift the hood but to get service  
help right away. See Roadside Assistance Program  
on page 7-7.  
Check the level in the surge tank when the system  
has cooled down. If the coolant is not at the proper  
level, repeat Steps 1 through 4, then reinstall the  
pressure cap. If the coolant is not at the proper level  
when the system cools down again, see your  
dealer/retailer.  
If you do decide to lift the hood, make sure the vehicle  
is parked on a level surface.  
Then check to see if the engine cooling fan is running.  
If the engine is overheating, the fan should be running.  
If it is not, do not continue to run the engine and have the  
vehicle serviced.  
Notice: If the pressure cap is not tightly installed,  
coolant loss and possible engine damage may occur.  
Be sure the cap is properly and tightly secured.  
Notice: Engine damage from running your engine  
without coolant is not covered by your warranty.  
on page 5-41 for information on driving to a safe  
place in an emergency.  
Engine Overheating  
The vehicle has several indicators to warn of engine  
overheating.  
Notice: If the engine catches fire while driving  
with no coolant, the vehicle can be badly damaged.  
The costly repairs would not be covered by the  
vehicle warranty. See Overheated Engine Protection  
Operating Mode on page 5-41 for information on  
driving to a safe place in an emergency.  
There is an engine coolant temperature gage on  
the instrument panel cluster. See Engine Coolant  
Temperature Gage on page 3-43. The vehicle may also  
display a COOLANT OVER TEMPERATURE message  
on the Driver Information Center (DIC). See DIC  
Warnings and Messages on page 3-56 for more  
information.  
5-39  
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If Steam Is Coming From Your Engine  
If No Steam Is Coming From Your  
Engine  
If an engine overheat warning is displayed but no steam  
can be seen or heard, the problem may not be too  
serious. Sometimes the engine can get a little too hot  
when the vehicle:  
{ CAUTION:  
Steam from an overheated engine can burn you  
badly, even if you just open the hood. Stay away  
from the engine if you see or hear steam coming  
from it. Turn it off and get everyone away from the  
vehicle until it cools down. Wait until there is no sign  
of steam or coolant before you open the hood.  
Climbs a long hill on a hot day.  
Stops after high-speed driving.  
Idles for long periods in traffic.  
If the overheat warning is displayed with no sign of steam:  
1. Turn the air conditioning off.  
If you keep driving when the vehicles engine is  
overheated, the liquids in it can catch fire. You or  
others could be badly burned. Stop the engine if it  
overheats, and get out of the vehicle until the  
engine is cool.  
2. Turn the heater on to the highest temperature and  
to the highest fan speed. Open the windows as  
necessary.  
3. If in a traffic jam, shift to N (Neutral) while stopped.  
If it is safe to do so, pull off the road, shift to  
P (Park) or N (Neutral) and let the engine idle.  
on page 5-41 for information on driving to a safe  
place in an emergency.  
If the temperature overheat gage is no longer in the  
overheat zone or an overheat warning no longer displays,  
the vehicle can be driven. Continue to drive the vehicle  
slow for about 10 minutes. Keep a safe vehicle distance  
from the car in front of you. If the warning does not come  
back on, continue to drive normally.  
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If the warning continues, pull over, stop, and park the  
vehicle right away.  
Notice: After driving in the overheated engine  
protection operating mode, to avoid engine damage,  
allow the engine to cool before attempting any repair.  
The engine oil will be severely degraded. Repair the  
cause of coolant loss, change the oil and reset the oil  
life system. See Engine Oil on page 5-19.  
If there is no sign of steam, idle the engine for  
three minutes while parked. If the warning is still  
displayed, turn off the engine until it cools down. Also,  
see “Overheated Engine Protection Operating Mode”  
next in this section.  
Power Steering Fluid  
Overheated Engine Protection  
Operating Mode  
Overview on page 5-14 for  
reservoir location.  
This emergency operating mode lets the vehicle  
be driven to a safe place, up to 50 miles (80 km),  
in an emergency situation. If an overheated engine  
condition exists and the messages COOLANT OVER  
TEMPERATURE and REDUCED ENGINE POWER are  
displayed, along with the check engine light, an overheat  
protection mode which alternates firing groups of  
cylinders helps prevent engine damage. In this mode,  
there is a significant loss in power and engine  
performance.  
When to Check Power Steering Fluid  
Driving extended distances in the overheat protection  
mode should be avoided.  
It is not necessary to regularly check power steering fluid  
unless you suspect there is a leak in the system or you  
hear an unusual noise. A fluid loss in this system could  
indicate a problem. Have the system inspected and  
repaired.  
5-41  
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How to Check Power Steering Fluid  
What to Use  
To check the power steering fluid:  
To determine what kind of fluid to use, see  
Always use the proper fluid.  
1. Turn the ignition off and let the engine compartment  
cool down.  
Notice: Use of the incorrect fluid may damage the  
vehicle and the damages may not be covered by  
the vehicle’s warranty. Always use the correct fluid  
on page 6-12.  
2. Wipe the cap and the top of the reservoir clean.  
3. Unscrew the cap and wipe the dipstick with a  
clean rag.  
4. Replace the cap and completely tighten it.  
5. Remove the cap again and look at the fluid level on  
the dipstick. There are markings on both sides of  
the dipstick.  
Windshield Washer Fluid  
What to Use  
The level should be at the FULL COLD mark.  
If necessary, add only enough fluid to bring the  
level up to the mark.  
When the vehicle needs windshield washer fluid, be  
sure to read the manufacturer’s instructions before use.  
If the vehicle will be operating in an area where the  
temperature may fall below freezing, use a fluid that  
has sufficient protection against freezing.  
When the engine  
compartment is hot, the  
level should be at the HOT  
mark. When the engine  
compartment is cool,  
the level should be at  
the FULL COLD mark.  
5-42  
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Adding Washer Fluid  
Brakes  
Open the cap with the  
washer symbol on it.  
Add washer fluid until the  
tank is full. See Engine  
page 5-14 for reservoir  
location.  
Brake Fluid  
The brake master cylinder  
reservoir is filled with  
DOT 3 brake fluid. See  
Overview on page 5-14 for  
the location of the reservoir.  
Notice:  
When using concentrated washer fluid, follow the  
manufacturer’s instructions for adding water.  
Do not mix water with ready-to-use washer fluid.  
Water can cause the solution to freeze and  
damage your washer fluid tank and other parts of  
the washer system. Also, water does not clean as  
well as washer fluid.  
There are only two reasons why the brake fluid level in  
the reservoir might go down:  
The brake fluid level goes down because of normal  
brake lining wear. When new linings are installed,  
the fluid level goes back up.  
Fill the washer fluid tank only three-quarters full  
when it is very cold. This allows for fluid  
expansion if freezing occurs, which could  
damage the tank if it is completely full.  
A fluid leak in the brake hydraulic system can also  
cause a low fluid level. Have the brake hydraulic  
system fixed, since a leak means that sooner  
or later the brakes will not work well.  
Do not use engine coolant (antifreeze) in your  
windshield washer. It can damage the vehicle’s  
windshield washer system and paint.  
5-43  
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Do not top off the brake fluid. Adding fluid does not  
correct a leak. If fluid is added when the linings are worn,  
there will be too much fluid when new brake linings are  
installed. Add or remove brake fluid, as necessary, only  
when work is done on the brake hydraulic system.  
Checking Brake Fluid  
Check brake fluid by looking at the brake fluid reservoir.  
See Engine Compartment Overview on page 5-14.  
The fluid level should be above the MIN mark on the  
reservoir. If it is not, have the brake hydraulic system  
checked to see if there is a leak.  
{ CAUTION:  
After work is done on the brake hydraulic system, make  
sure the level is between the MIN and MAX marks.  
If too much brake fluid is added, it can spill on  
the engine and burn, if the engine is hot enough.  
You or others could be burned, and the vehicle  
could be damaged. Add brake fluid only when  
work is done on the brake hydraulic system.  
See “Checking Brake Fluid” in this section.  
What to Add  
Use only new DOT 3 brake fluid from a sealed container.  
Always clean the brake fluid reservoir cap and the  
area around the cap before removing it. This helps keep  
dirt from entering the reservoir.  
Refer to the Maintenance Schedule to determine when  
to check the brake fluid. See Scheduled Maintenance  
on page 6-4.  
5-44  
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Brake Wear (Except ZR1)  
{ CAUTION:  
This vehicle has disc brakes. Disc brake pads have  
built-in wear indicators that make a high-pitched warning  
sound when the brake pads are worn and new pads  
are needed. The sound can come and go or be heard all  
the time the vehicle is moving, except when applying  
the brake pedal firmly.  
With the wrong kind of fluid in the brake hydraulic  
system, the brakes might not work well. This could  
cause a crash. Always use the proper brake fluid.  
Notice:  
{ CAUTION:  
Using the wrong fluid can badly damage brake  
hydraulic system parts. For example, just a few  
drops of mineral-based oil, such as engine oil, in  
the brake hydraulic system can damage brake  
hydraulic system parts so badly that they will  
have to be replaced. Do not let someone put in  
the wrong kind of fluid.  
The brake wear warning sound means that soon  
the brakes will not work well. That could lead to an  
accident. When the brake wear warning sound is  
heard, have the vehicle serviced.  
If brake fluid is spilled on the vehicle’s painted  
surfaces, the paint finish can be damaged.  
Be careful not to spill brake fluid on the vehicle.  
If you do, wash it off immediately. See Washing  
Your Vehicle on page 5-95.  
Notice: Continuing to drive with worn-out brake  
pads could result in costly brake repair.  
Some driving conditions or climates can cause a brake  
squeal when the brakes are first applied or lightly  
applied. This does not mean something is wrong with  
the brakes.  
Brake linings should always be replaced as complete  
axle sets.  
5-45  
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Brake Wear (ZR1 Only)  
The ZR1 model does not have built-in brake pad wear  
indicators and periodic visual inspection of the brake  
pads is required to determine when to replace the  
brake pads.  
Notice: Continuing to drive with worn-out brake  
pads could result in costly brake repair.  
Make sure that the brakes have been given  
sufficient time to cool and then set the park brake.  
The ZR1 also has an electronic brake pad wear sensor  
system. When pads are worn, the CHANGE BRAKE  
PADS message displays in the Driver Information  
Center. See DIC Warnings and Messages on page 3-56.  
Some driving conditions or climates can cause a brake  
squeal when the brakes are first applied or lightly applied.  
This does not mean something is wrong with the brakes.  
Brake linings should always be replaced as complete  
axle sets.  
Brake pads can be visually inspected through the  
wheel by inspecting the outer brake pads at each  
wheel.  
Brake pads should be replaced when worn to  
two mm of pad thickness. New pads are 10 mm thick.  
In addition, brake pad inspection is required any time  
the tires are removed.  
5-46  
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Notice: Rotors may be chipped if hard contact is  
made with the wheel during wheel installation or  
removal. Always use the rotor protectors. Be sure  
to carefully follow wheel removal and installation  
instructions.  
Brake Rotor Wear  
ZR1 models have ceramic brake rotors. Rotors should  
be visually inspected whenever the brake pads are  
replaced. Rotors also need to be weighed before brake  
pads are replaced to confirm that the rotor mass is  
greater than the wear-out mass printed on the rotor.  
The rotor can be reused if the weight of the rotor  
is above the mass limit. Rotor inspection and weighing  
methods can be found in the service manual. See  
Brake Rotor Protector  
{ CAUTION:  
Ceramic rotors will be very hot after operation and  
touching them may cause burns. Be sure brake  
system is completely cool prior to installation of  
protector, or coming in contact with them.  
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Brake Pedal Travel  
See your dealer/retailer if the brake pedal does not return  
to normal height, or if there is a rapid increase in pedal  
travel. This could be a sign that brake service might be  
required.  
Brake Adjustment  
Every brake stop, the disc brakes automatically adjust  
for wear.  
Replacing Brake System Parts  
The braking system on a vehicle is complex. Its many  
parts have to be of top quality and work well together if  
the vehicle is to have really good braking. The vehicle  
was designed and tested with top-quality brake parts.  
When parts of the braking system are replaced — for  
example, when the brake linings wear down and new  
ones are installed — be sure to get new approved  
replacement parts. If this is not done, the brakes might  
not work properly. For example, if someone puts in brake  
linings that are wrong for the vehicle, the balance  
between the front and rear brakes can change — for the  
worse. The braking performance expected can change in  
many other ways if the wrong replacement brake parts  
are installed.  
A rotor protector should always be installed before any  
wheel removal. The protector can be installed by feeding  
it through the wheel spokes and slipping it over the outer  
edge of the rotor. Leave the protector in place, over the  
rotor edge, until the wheel is re-installed. Rotor protectors  
are available through your dealer/retailer.  
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Vehicle Storage  
Battery  
This vehicle has a maintenance free battery. When it is  
time for a new battery, see your dealer/retailer for one  
that has the replacement number shown on the original  
battery’s label.  
{ CAUTION:  
Batteries have acid that can burn you and gas that  
can explode. You can be badly hurt if you are not  
careful. See Jump Starting on page 5-50 for tips  
on working around a battery without getting hurt.  
For battery replacement, see your dealer/retailer or the  
service manual. To purchase a service manual, see  
Warning: Battery posts, terminals, and related  
accessories contain lead and lead compounds,  
chemicals known to the State of California to cause  
cancer and reproductive harm. Wash hands after  
handling.  
Infrequent Usage: If the vehicle is driven infrequently,  
remove the black, negative () cable from the battery.  
This helps keep the battery from running down.  
See “Power Window Initialization” in Power Windows on  
page 2-17.  
Extended Storage: For extended storage of the vehicle,  
remove the black, negative () cable from the battery or  
use a battery trickle charger. This helps maintain the  
charge of the battery over an extended period of time.  
5-49  
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Notice: If you try to start your vehicle by pushing  
or pulling it, you could damage your vehicle. Do not  
push or pull your vehicle to start it; instead, use  
the jump starting procedure in this manual to start  
your vehicle when the battery has run down.  
Jump Starting  
If your battery has run down, you may want to use  
another vehicle and some jumper cables to start your  
vehicle. Be sure to use the following steps to do it safely.  
1. Check the other vehicle. It must have a 12-volt  
battery with a negative ground system.  
{ CAUTION:  
Notice: If the other vehicle’s system is not a 12-volt  
system with a negative ground, both vehicles can  
be damaged. Only use vehicles with 12-volt systems  
with negative grounds to jump start your vehicle.  
Batteries can hurt you. They can be dangerous  
because:  
They contain acid that can burn you.  
They contain gas that can explode or ignite.  
They contain enough electricity to burn you.  
2. Get the vehicles close enough so the jumper cables  
can reach, but be sure the vehicles are not touching  
each other. If they are, it could cause a ground  
connection you do not want. You would not be  
able to start your vehicle, and the bad grounding  
could damage the electrical systems.  
If you do not follow these steps exactly, some or  
all of these things can hurt you.  
To avoid the possibility of the vehicles rolling, set  
the parking brake firmly on both vehicles involved  
in the jump start procedure. Put an automatic  
transmission in P (Park) or a manual transmission  
in Neutral before setting the parking brakes.  
5-50  
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Notice: If you leave the radio or other accessories  
on during the jump starting procedure, they could  
be damaged. The repairs would not be covered by  
the warranty. Always turn off the radio and other  
accessories when jump starting the vehicle.  
3. Turn off the ignition on both vehicles. Unplug  
unnecessary accessories plugged into the cigarette  
lighter or the accessory power outlet. Turn off  
the radio and all lamps that are not needed.  
This will avoid sparks and help save both  
batteries. And it could save the radio!  
4. Open the hoods and locate the positive (+) and  
negative () terminal locations on each vehicle.  
6.2 L LS3 shown, 7.0 L LS7 and 6.2 L LS9 similar.  
Your vehicle has a remote positive (+) terminal (A)  
and a remote negative () terminal (B), as shown  
in the illustration, which should be used to jump start  
your vehicle.  
The remote positive (+) terminal (A) can be  
accessed by opening the cover of the engine  
compartment fuse block.  
The remote negative () terminal (B) is located  
underneath the engine cover, below the engine  
oil fill cap.  
5-51  
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See Engine Compartment Overview on page 5-14  
for the location of the engine compartment fuse  
block and engine oil fill cap.  
{ CAUTION:  
You will not need to access the battery for jump  
starting. The remote terminals are for that purpose.  
Using a match near a battery can cause battery  
gas to explode. People have been hurt doing this,  
and some have been blinded. Use a flashlight if  
you need more light.  
{ CAUTION:  
Be sure the battery has enough water. You do not  
need to add water to the battery installed in your  
new vehicle. But if a battery has filler caps, be  
sure the right amount of fluid is there. If it is low,  
add water to take care of that first. If you do not,  
explosive gas could be present.  
An electric fan can start up even when the engine  
is not running and can injure you. Keep hands,  
clothing and tools away from any underhood  
electric fan.  
Battery fluid contains acid that can burn you.  
Do not get it on you. If you accidentally get it in  
your eyes or on your skin, flush the place with  
water and get medical help immediately.  
5-52  
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7. Do not let the other end touch metal. Connect it to  
the positive (+) terminal of the good battery. Use a  
remote positive (+) terminal if the vehicle has one.  
{ CAUTION:  
8. Now connect the black negative () cable to the  
negative () terminal of the good battery. Use a  
remote negative () terminal if the vehicle has one.  
Fans or other moving engine parts can injure you  
badly. Keep your hands away from moving parts  
once the engine is running.  
Do not let the other end touch anything until the  
next step. The other end of the negative () cable  
does not go to the dead battery. It goes to a  
heavy, unpainted metal engine part or to a remote  
negative () terminal on the vehicle with the  
dead battery.  
5. Check that the jumper cables do not have loose or  
missing insulation. If they do, you could get a  
shock. The vehicles could be damaged too.  
Before you connect the cables, here are some  
basic things you should know. Positive (+) will go to  
positive (+) or to a remote positive (+) terminal if  
the vehicle has one. Negative () will go to a heavy,  
unpainted metal engine part or to a remote  
9. Connect the other end of the negative () cable at  
least 18 inches (45 cm) away from the dead battery,  
but not near engine parts that move. The electrical  
connection is just as good there, and the chance  
of sparks getting back to the battery is much less.  
negative () terminal if the vehicle has one.  
Your vehicle has a remote negative () terminal  
for this purpose.  
Do not connect positive (+) to negative () or you  
will get a short that would damage the battery  
and maybe other parts too. And do not connect the  
negative () cable to the negative () terminal on  
the dead battery because this can cause sparks.  
10. Now start the vehicle with the good battery and run  
the engine for a while.  
11. Try to start the vehicle that had the dead battery.  
If it will not start after a few tries, it probably needs  
service.  
6. Connect the red positive (+) cable to the positive (+)  
terminal of the dead battery. Use a remote  
positive (+) terminal if the vehicle has one.  
5-53  
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Notice: If the jumper cables are connected or  
removed in the wrong order, electrical shorting may  
occur and damage the vehicle. The repairs would  
not be covered by the vehicle warranty. Always  
connect and remove the jumper cables in the correct  
order, making sure that the cables do not touch  
each other or other metal.  
To disconnect the jumper cables from both vehicles, do  
the following:  
1. Disconnect the black negative () cable from the  
vehicle that had the dead battery.  
2. Disconnect the black negative () cable from the  
vehicle with the good battery.  
3. Disconnect the red positive (+) cable from the  
vehicle with the good battery.  
4. Disconnect the red positive (+) cable from the other  
vehicle.  
5. Return the engine fuse block cover to its original  
position.  
6. You may also need to initialize the power windows.  
See “Power Window Initialize” under Power  
Windows on page 2-17 for more information.  
Rear Axle  
When to Check Lubricant  
Jumper Cable Removal  
It is not necessary to regularly check rear axle fluid  
unless you suspect there is a leak or you hear an  
unusual noise. A fluid loss could indicate a problem.  
Have it inspected and repaired.  
A. Heavy, Unpainted Metal Engine Part or Remote  
Negative () Terminal  
B. Good Battery or Remote Positive (+) and  
Negative () Terminals  
C. Dead Battery or Remote Positive (+) Terminal  
5-54  
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How to Check Lubricant  
What to Use  
To add lubricant when the level is low, use Dexron LS  
Gear Oil 75W-90 (GM Part No. US. 88862624, in  
Canada 88862625) meeting GM Specification 9986290.  
To completely refill after draining, see Recommended  
Fluids and Lubricants on page 6-12. Then fill to the  
bottom of the filler plug hole with the Synthetic Gear  
Lubricant.  
Headlamp Aiming  
Headlamp aim has been preset at the factory and  
should need no further adjustment.  
However, if your vehicle is damaged in a crash, the  
headlamp aim may be affected. Aim adjustment to the  
low-beam headlamps may be necessary if oncoming  
drivers flash their high-beam headlamps at you  
(for vertical aim).  
To get an accurate reading, the vehicle should be on a  
level surface.  
If the headlamps need to be re-aimed, it is  
recommended that you take the vehicle to your  
dealer/retailer for service.  
If the level is below the bottom of the filler plug hole, you  
will need to add some lubricant. Add enough lubricant to  
raise the level to the bottom of the filler plug hole.  
5-55  
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The vehicle may have HID headlamps. After an HID  
headlamp bulb has been replaced, you may notice  
that the beam is a slightly different shade than it was  
originally. This is normal.  
Bulb Replacement  
For the proper type of replacement bulbs, see  
Replacement Bulbs on page 5-59.  
For any bulb changing procedure not listed in this  
section, contact your dealer/retailer.  
Halogen Bulbs  
High Intensity Discharge (HID)  
Lighting  
{ CAUTION:  
Halogen bulbs have pressurized gas inside and  
can burst if you drop or scratch the bulb. You or  
others could be injured. Be sure to read and follow  
the instructions on the bulb package.  
{ CAUTION:  
The low beam high intensity discharge lighting  
system operates at a very high voltage. If you try to  
service any of the system components, you could  
be seriously injured. Have your dealer/retailer or a  
qualified technician service them.  
5-56  
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To replace a high-beam or front parking/turn signal/  
DRL bulb:  
Headlamps, Front Turn Signal, and  
Parking Lamps  
1. Turn the wheel to allow access to the wheel well.  
A. High-beam Headlamp  
B. Low-beam Headlamp  
C. Front Parking/Turn Signal/Daytime Running  
Lamp (DRL)  
If the low-beam headlamp needs to be replaced, see  
your dealer/retailer. See High Intensity Discharge (HID)  
Lighting on page 5-56 for more information.  
2. Remove the three outer fasteners to move the  
access panel back.  
3. Remove the outer cover to expose the high-beam  
headlamp bulb socket.  
5-57  
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4. Remove the headlamp  
bulb by releasing the  
outer tabs from  
Taillamps, Turn Signal, and  
Stoplamps  
the socket.  
To replace a stoplamp, taillamp/turn signal bulb:  
1. Remove the screw from the top of the lamp  
assembly.  
5. Remove the front parking/turn signal bulb by turning  
the bulb socket counterclockwise.  
6. Replace the high-beam headlamp bulb with a new  
bulb and reattach to the bulb socket.  
Replace the front parking/turn signal bulb by turning  
the bulb socket clockwise.  
7. Reverse the Steps 2 through 4 to reinstall.  
2. Tilt the lamp assembly toward you.  
3. Turn the bulb socket one-quarter turn  
counterclockwise and pull it out.  
5-58  
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4. Pull the bulb straight out to remove it from the  
socket.  
Windshield Replacement  
The windshield is part of the Head-Up Display (HUD)  
system. If you ever have to get the windshield replaced,  
get one that is designed for HUD or the HUD image  
may look out of focus.  
5. Push the new bulb in the bulb socket until it snaps  
into place.  
6. Reinstall the lamp assembly by first lining up the  
tabs on the bottom of the lamp assembly with the  
tabs in the vehicle, then slide it in.  
Windshield Wiper Blade  
Replacement  
Windshield wiper blades should be inspected for wear  
and cracking. See Scheduled Maintenance on page 6-4  
for more information.  
7. Replace the screw at the top of the lamp assembly.  
Replacement Bulbs  
Exterior Lamp  
Bulb Number  
Front Parking/Turn  
Replacement blades come in different types and are  
removed in different ways. For the proper type and  
page 6-14.  
Signal/Daytime Running  
Lamp (DRL)  
5702KA  
Headlamp, High-Beam Lamp  
Sidemarker Lamp  
Stoplamp/Taillamp/Turn  
Signal Lamp  
H9  
W3W  
It is a good idea to clean or replace the wiper blade  
assembly every six months. Allowing the wiper blade arm  
to touch the windshield when no wiper blade is installed  
could damage the windshield. Any damage that occurs  
would not be covered by the vehicle’s warranty. Do not  
allow the wiper blade arm to touch the windshield.  
3057KX  
For replacement bulbs not listed here, contact your  
dealer/retailer.  
5-59  
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To remove the wiper blade assembly:  
4. Remove the insert from the blade assembly (A).  
The insert has two notches at one end that are  
locked by the bottom claws of the blade assembly.  
At the notch end, pull the insert from the blade  
assembly.  
1. Open the hood to gain access to the windshield  
wipers.  
2. Lift the wiper arm away from the windshield.  
To install the new wiper insert:  
1. Slide the insert (D), notched end last, into the end  
with the two blade claws (A). Slide the insert all the  
way through the blade claws at the opposite end (B).  
The plastic caps (C) will be forced off as the insert is  
fully installed.  
A. Blade Assembly  
B. Arm Assembly  
C. Locking Tab  
D. Blade Pivot  
E. Hook Slot  
F. Arm Hook  
3. Press down on the blade assembly pivot locking  
tab (C). Pull down on the blade assembly (A) to  
release it from the wiper arm hook (F).  
5-60  
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2. Be sure the notches are locked by the bottom  
claws. Make sure that all other claws are properly  
locked on both sides of the insert slots.  
Installation guide:  
3. Put the blade assembly pivot in the wiper arm  
hook. Pull up until the pivot locking tab locks in  
the hook slot.  
4. Carefully lower the wiper arm and blade assembly  
onto the windshield.  
A. Claw in Notch  
B. Correct Installation  
C. Incorrect Installation  
5-61  
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Tires  
CAUTION: (Continued)  
Your new vehicle comes with high-quality tires  
made by a leading tire manufacturer. If you ever  
have questions about your tire warranty and where  
to obtain service, see your vehicle Warranty booklet  
for details. For additional information refer to the tire  
manufacturer.  
Underinflated tires pose the same danger  
as overloaded tires. The resulting  
accident could cause serious injury.  
Check all tires frequently to maintain the  
recommended pressure. Tire pressure  
should be checked when your tires are  
page 5-71.  
Overinflated tires are more likely to be  
cut, punctured, or broken by a sudden  
impact — such as when you hit a  
pothole. Keep tires at the recommended  
pressure.  
{ CAUTION:  
Poorly maintained and improperly used  
tires are dangerous.  
Overloading your tires can cause  
overheating as a result of too much  
flexing. You could have an air-out and a  
serious accident. See Loading the  
Vehicle on page 4-23.  
Worn, old tires can cause accidents.  
If your tread is badly worn, or if your tires  
have been damaged, replace them.  
See High-Speed Operation on page 5-72 for  
inflation pressure adjustment for high speed  
driving.  
CAUTION: (Continued)  
5-62  
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Winter tires, in general, are designed for increased  
traction on snow and ice covered roads. With winter  
tires, there may be decreased dry road traction,  
increased road noise, and shorter tread life. After  
switching to winter tires, be alert for changes in vehicle  
handling and braking.  
Low-Profile Performance Tire  
The original equipment tires on your vehicle are  
classified as low-profile performance tires. These  
tires are designed for very responsive driving on  
wet or dry pavement. You may also notice more  
road noise with low-profile tires and that they tend  
to wear faster.  
See your dealer/retailer for details regarding winter tire  
availability and proper tire selection. Also, see Buying  
New Tires on page 5-78.  
Notice: If the vehicle has low-profile tires, they  
are more susceptible to damage from road  
hazards or curb impact than standard profile  
tires. Tire and/or wheel assembly damage can  
occur when coming into contact with road  
hazards like, potholes, or sharp edged objects,  
or when sliding into a curb. The vehicle  
warranty does not cover this type of damage.  
Keep tires set to the correct inflation pressure  
and, when possible avoid contact with curbs,  
potholes, and other road hazards.  
If you choose to use winter tires:  
Use tires of the same brand and tread type on all  
four wheel positions.  
Use only radial ply tires of the same size, load  
range, and speed rating as the original equipment  
tires.  
Winter tires with the same speed rating as your original  
equipment tires may not be available for H, V, W, Y,  
and ZR speed rated tires. If you choose winter tires with  
a lower speed rating, never exceed the tire’s maximum  
speed capability.  
Winter Tires  
If you expect to drive on snow or ice covered roads  
often, you may want to get winter tires for your vehicle.  
All season tires provide good overall performance on  
most surfaces but they may not offer the traction you  
would like or the same level of performance as winter  
tires on snow or ice covered roads.  
5-63  
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(B) TPC Spec (Tire Performance Criteria  
Specification): Original equipment tires designed  
to GM’s specific tire performance criteria have  
a TPC specification code molded onto the sidewall.  
GM’s TPC specifications meet or exceed all  
federal safety guidelines.  
Tire Sidewall Labeling  
Useful information about a tire is molded into its  
sidewall. The example below shows a typical  
passenger (p-metric) tire sidewall.  
(C) DOT (Department of Transportation):  
The Department of Transportation (DOT) code  
indicates that the tire is in compliance with the  
U.S. Department of Transportation Motor Vehicle  
Safety Standards.  
(D) Tire Identification Number (TIN): The letters  
and numbers following DOT code are the Tire  
Identification Number (TIN). The TIN shows  
the manufacturer and plant code, tire size, and  
date the tire was manufactured. The TIN is molded  
onto both sides of the tire, although only one  
side may have the date of manufacture.  
(E) Tire Ply Material: The type of cord and number  
of plies in the sidewall and under the tread.  
(F) Uniform Tire Quality Grading (UTQG):  
Tire manufacturers are required to grade  
tires based on three performance factors:  
treadwear, traction and temperature resistance.  
For more information see Uniform Tire Quality  
Grading on page 5-80.  
Passenger (P-Metric) Tire Example  
(A) Tire Size: The tire size is a combination of  
letters and numbers used to define a particular  
tire’s width, height, aspect ratio, construction type,  
and service description. See the “Tire Size”  
illustration later in this section for more detail.  
5-64  
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(G) Maximum Cold Inflation Load Limit:  
Maximum load that can be carried and the  
maximum pressure needed to support that load.  
(C) Aspect Ratio: A two-digit number that  
indicates the tire height-to-width measurements.  
For example, if the tire size aspect ratio is 60, as  
shown in item C of the illustration, it would mean  
that the tire’s sidewall is 60 percent as high as  
it is wide.  
Tire Size  
The following illustration shows an example of a  
typical passenger (p-metric) vehicle tire size.  
(D) Construction Code: A letter code is used to  
indicate the type of ply construction in the tire. The  
letter R means radial ply construction; the letter D  
means diagonal or bias ply construction; and the  
letter B means belted-bias ply construction.  
(E) Rim Diameter: Diameter of the wheel in  
inches.  
(F) Service Description: These characters  
represent the load index and speed rating of the  
tire. The load index represents the load carry  
capacity a tire is certified to carry. The speed rating  
is the maximum speed a tire is certified to carry  
a load.  
(A) Passenger (P-Metric) Tire: The United States  
version of a metric tire sizing system. The letter P  
as the first character in the tire size means a  
passenger vehicle tire engineered to standards set  
by the U. S. Tire and Rim Association.  
(B) Tire Width: The three-digit number indicates  
the tire section width in millimeters from sidewall  
to sidewall.  
5-65  
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Cold Tire Pressure: The amount of air pressure in  
a tire, measured in pounds per square inch (psi) or  
kilopascals (kPa) before a tire has built up heat  
from driving. See Inflation - Tire Pressure on  
page 5-71.  
Tire Terminology and Definitions  
Air Pressure: The amount of air inside the  
tire pressing outward on each square inch of the  
tire. Air pressure is expressed in pounds per  
square inch (psi) or kilopascal (kPa).  
Curb Weight: The weight of a motor vehicle with  
standard and optional equipment including the  
maximum capacity of fuel, oil, and coolant, but  
without passengers and cargo.  
Accessory Weight: This means the combined  
weight of optional accessories. Some examples of  
optional accessories are, automatic transmission,  
power steering, power brakes, power windows,  
power seats, and air conditioning.  
DOT Markings: A code molded into the sidewall  
of a tire signifying that the tire is in compliance  
with the U.S. Department of Transportation (DOT)  
motor vehicle safety standards. The DOT code  
includes the Tire Identification Number (TIN), an  
alphanumeric designator which can also identify the  
tire manufacturer, production plant, brand, and date  
of production.  
Aspect Ratio: The relationship of a tire’s height  
to its width.  
Belt: A rubber coated layer of cords that is located  
between the plies and the tread. Cords may be  
made from steel or other reinforcing materials.  
Bead: The tire bead contains steel wires wrapped  
by steel cords that hold the tire onto the rim.  
GVWR: Gross Vehicle Weight Rating.  
See Loading the Vehicle on page 4-23.  
Bias Ply Tire: A pneumatic tire in which the plies  
are laid at alternate angles less than 90 degrees  
to the centerline of the tread.  
GAWR FRT: Gross Axle Weight Rating for the  
front axle. See Loading the Vehicle on page 4-23.  
5-66  
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GAWR RR: Gross Axle Weight Rating for the rear  
axle. See Loading the Vehicle on page 4-23.  
Normal Occupant Weight: The number of  
occupants a vehicle is designed to seat multiplied  
by 150 lbs (68 kg). See Loading the Vehicle on  
page 4-23.  
Intended Outboard Sidewall: The side of an  
asymmetrical tire, that must always face outward  
when mounted on a vehicle.  
Occupant Distribution: Designated seating  
positions.  
Kilopascal (kPa): The metric unit for air pressure.  
Outward Facing Sidewall: The side of an  
asymmetrical tire that has a particular side that  
faces outward when mounted on a vehicle.  
The side of the tire that contains a whitewall,  
bears white lettering, or bears manufacturer,  
brand, and/or model name molding that is higher  
or deeper than the same moldings on the other  
sidewall of the tire.  
Light Truck (LT-Metric) Tire: A tire used on  
light duty trucks and some multipurpose passenger  
vehicles.  
Load Index: An assigned number ranging  
from 1 to 279 that corresponds to the load  
carrying capacity of a tire.  
Maximum Inflation Pressure: The maximum  
air pressure to which a cold tire can be inflated.  
The maximum air pressure is molded onto the  
sidewall.  
Passenger (P-Metric) Tire: A tire used on  
passenger cars and some light duty trucks and  
multipurpose vehicles.  
Recommended Inflation Pressure: Vehicle  
manufacturer’s recommended tire inflation  
pressure as shown on the tire placard.  
See Inflation - Tire Pressure on page 5-71  
and Loading the Vehicle on page 4-23.  
Maximum Load Rating: The load rating for a tire  
at the maximum permissible inflation pressure  
for that tire.  
Maximum Loaded Vehicle Weight: The sum of  
curb weight, accessory weight, vehicle capacity  
weight, and production options weight.  
5-67  
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Radial Ply Tire: A pneumatic tire in which  
the ply cords that extend to the beads are laid  
at 90 degrees to the centerline of the tread.  
UTQGS (Uniform Tire Quality Grading  
Standards): A tire information system that  
provides consumers with ratings for a tire’s  
traction, temperature, and treadwear. Ratings  
are determined by tire manufacturers using  
government testing procedures. The ratings are  
molded into the sidewall of the tire. See Uniform  
Tire Quality Grading on page 5-80.  
Rim: A metal support for a tire and upon which  
the tire beads are seated.  
Sidewall: The portion of a tire between the tread  
and the bead.  
Vehicle Capacity Weight: The number of  
designated seating positions multiplied by 150 lbs  
(68 kg) plus the rated cargo load. See Loading  
the Vehicle on page 4-23.  
Speed Rating: An alphanumeric code assigned to  
a tire indicating the maximum speed at which a  
tire can operate.  
Traction: The friction between the tire and the  
road surface. The amount of grip provided.  
Vehicle Maximum Load on the Tire: Load on  
an individual tire due to curb weight, accessory  
weight, occupant weight, and cargo weight.  
Tread: The portion of a tire that comes into  
contact with the road.  
Vehicle Placard: A label permanently attached to  
a vehicle showing the vehicle’s capacity weight  
and the original equipment tire size and  
recommended inflation pressure. See “Tire and  
Loading Information Label” under Loading  
the Vehicle on page 4-23.  
Treadwear Indicators: Narrow bands, sometimes  
called wear bars, that show across the tread of  
a tire when only 1/16 inch (1.6 mm) of tread  
page 5-77.  
5-68  
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If a tire goes flat, you will not need to stop on the side  
of the road to change the tire. You can just keep on  
driving. The shorter the distance you drive and the  
slower the speed, the greater the chance that the tire  
will not have to be replaced. If you drive on a deflated  
run-flat tire for 25 miles (40 km) or less and at speeds of  
55 mph (90 km/h) or less, there is a good chance that  
the tire can be repaired. The tires on coupe, convertible  
and Z06 models can operate effectively with no air  
pressure for up to 100 miles (160 km) at speeds up to  
55 mph (90 km/h), but the tire would then have to  
be replaced. The tires on ZR1 models can operate  
effectively with no air pressure for up to 50 miles (80 km)  
at speeds up to 55 mph (90 km/h), but the tire would  
then have to be replaced. When a tire is filled with air, it  
provides a cushion between the road and the wheel.  
Because you will not have this cushion when driving on  
a deflated tire, try to avoid potholes that could damage  
your wheel and require replacement of it.  
Run-Flat Tires  
This vehicle, when new, had run-flat tires. There is no  
spare tire, no tire changing equipment, and no place  
to store a tire in the vehicle. Run-flat tires perform  
so well without any air that a Tire Pressure Monitor  
System (TPMS) is used to alert you if a tire has  
lost pressure.  
{ CAUTION:  
When the low tire warning light is displayed on  
the instrument panel cluster, your vehicle’s  
handling capabilities will be reduced during severe  
maneuvers. If you drive too fast, you could lose  
control of your vehicle. You or others could be  
injured. Do not drive over 55 mph (90 km/h)  
when the low tire warning light is displayed.  
Drive cautiously and check your tire pressures  
as soon as you can.  
5-69  
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Some road hazards can damage a tire beyond repair.  
This damage could occur even before you have driven on  
the tire in a deflated condition. When a tire has been  
damaged, or if you have driven any distance on a run-flat  
tire, check with an authorized run-flat tire service center  
to determine whether the tire can be repaired or should  
be replaced. To maintain your vehicle’s run-flat feature,  
all replacement tires must be self-supporting tires. As  
soon as possible, contact the nearest authorized GM or  
run-flat servicing facility for inspection and repair or  
replacement. To locate the nearest GM or run-flat  
servicing facility, call Roadside Assistance. For phone  
numbers and Roadside Service details see Roadside  
Assistance Program on page 7-7.  
CAUTION: (Continued)  
attempt to repair, replace, dismount, or mount a  
run-flat tire. Let only an authorized run-flat service  
center repair, replace, dismount, and mount  
run-flat tires.  
The valve stems on your run-flat tires have sensors that  
are part of the Tire Pressure Monitor System (TPMS).  
See Tire Pressure Monitor System on page 5-73. These  
sensors contain batteries which are designed to last  
for 10 years under normal driving conditions. See your  
dealer/retailer if you ever need to have a wheel  
replaced, or if the sensors ever need replacement.  
{ CAUTION:  
Notice: Using liquid sealants can damage the tire  
valves and tire pressure monitor sensors in the  
vehicle’s run-flat tires. This damage would not be  
covered by warranty. Do not use liquid sealants  
in the vehicle’s run-flat tires.  
Run-flat tires are constructed differently than other  
tires and could explode during improper service.  
You or others could be injured or killed if you  
CAUTION: (Continued)  
5-70  
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A vehicle specific Tire and Loading Information  
label is attached to your vehicle. This label shows  
your vehicle’s original equipment tires and the  
correct inflation pressures for your tires when they  
are cold. The recommended cold tire inflation  
pressure, shown on the label, is the minimum  
amount of air pressure needed to support  
Inflation - Tire Pressure  
Tires need the correct amount of air pressure to  
operate effectively.  
Notice: Do not let anyone tell you that  
under-inflation or over-inflation is all right.  
It is not. If your tires do not have enough air  
(under-inflation), you can get the following:  
your vehicle’s maximum load carrying capacity.  
For additional information regarding how much  
weight your vehicle can carry, and an example  
of the Tire and Loading Information label,  
see Loading the Vehicle on page 4-23. How you  
load your vehicle affects vehicle handling and  
ride comfort. Never load your vehicle with more  
weight than it was designed to carry.  
Too much flexing  
Too much heat  
Tire overloading  
Premature or irregular wear  
Poor handling  
Reduced fuel economy  
When to Check  
If your tires have too much air (over-inflation),  
you can get the following:  
Check your tires once a month or more.  
Unusual wear  
Poor handling  
Rough ride  
Needless damage from road hazards  
5-71  
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How to Check  
High-Speed Operation  
Use a good quality pocket-type gage to check tire  
pressure. You cannot tell if your tires are properly  
inflated simply by looking at them. Radial tires  
may look properly inflated even when they are  
under-inflated. Check the tire’s inflation pressure  
when the tires are cold. Cold means your vehicle  
has been sitting for at least three hours or driven no  
more than 1 mile (1.6 km).  
{ CAUTION:  
Driving at high speeds, 100 mph (160 km/h) or  
higher, puts an additional strain on tires. Sustained  
high-speed driving causes excessive heat build up  
and can cause sudden tire failure. You could have  
a crash and you or others could be killed. Some  
high-speed rated tires require inflation pressure  
adjustment for high speed operation. When speed  
limits and road conditions are such that a vehicle  
can be driven at high speeds, make sure the tires  
are rated for high speed operation, in excellent  
condition, and set to the correct cold tire inflation  
pressure for the vehicle load.  
Remove the valve cap from the tire valve stem.  
Press the tire gage firmly onto the valve to  
get a pressure measurement. If the cold tire  
inflation pressure matches the recommended  
pressure on the Tire and Loading Information  
label, no further adjustment is necessary. If the  
inflation pressure is low, add air until you reach the  
recommended amount.  
If you overfill the tire, release air by pushing on  
the metal stem in the center of the tire valve.  
Re-check the tire pressure with the tire gage.  
Be sure to put the valve caps back on the valve  
stems. They help prevent leaks by keeping out dirt  
and moisture.  
5-72  
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If you will be driving your vehicle at speeds of 175 mph  
(282 km/h) or higher, where it is legal, set the cold  
inflation pressure to the maximum inflation pressure  
shown on the tire sidewall, or 38 psi (265 kPa), whichever  
is lower. See the example following. When you end this  
high-speed driving, return the tires to the cold inflation  
pressure shown on the Tire and Loading Information  
label. See Loading the Vehicle on page 4-23.  
Tire Pressure Monitor System  
The Tire Pressure Monitor System (TPMS) uses radio  
and sensor technology to check tire pressure levels.  
The TPMS sensors monitor the air pressure in your  
vehicle’s tires and transmit tire pressure readings to a  
receiver located in the vehicle.  
Each tire, including the spare (if provided), should be  
checked monthly when cold and inflated to the inflation  
pressure recommended by the vehicle manufacturer on  
the vehicle placard or tire inflation pressure label. (If your  
vehicle has tires of a different size than the size indicated  
on the vehicle placard or tire inflation pressure label, you  
should determine the proper tire inflation pressure for  
those tires.)  
Example:  
You will find the maximum load and inflation pressure  
molded on the tire’s sidewall, in small letters, near  
the rim flange. It will read something like this: Maximum  
load 690 kg (1521 lbs) 300 kPa (44 psi) Max. Press.  
For this example, you would set the inflation pressure for  
high-speed driving at 38 psi (265 kPa).  
As an added safety feature, your vehicle has been  
equipped with a tire pressure monitoring system (TPMS)  
that illuminates a low tire pressure telltale when one  
or more of your tires is significantly under-inflated.  
Racing or other competitive driving may affect the  
warranty coverage of your vehicle. See your warranty  
booklet for more information.  
Accordingly, when the low tire pressure telltale  
illuminates, you should stop and check your tires as  
soon as possible, and inflate them to the proper pressure.  
Driving on a significantly under-inflated tire causes the  
tire to overheat and can lead to tire failure. Under-inflation  
also reduces fuel efficiency and tire tread life, and may  
affect the vehicle’s handling and stopping ability.  
5-73  
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Please note that the TPMS is not a substitute for proper  
tire maintenance, and it is the driver’s responsibility to  
maintain correct tire pressure, even if under-inflation has  
not reached the level to trigger illumination of the TPMS  
low tire pressure telltale.  
Federal Communications Commission  
(FCC) and Industry and Science  
Canada  
The Tire Pressure Monitor System (TPMS) operates on  
a radio frequency and complies with Part 15 of the  
FCC Rules. Operation is subject to the following two  
conditions:  
Your vehicle has also been equipped with a TPMS  
malfunction indicator to indicate when the system  
is not operating properly. The TPMS malfunction  
indicator is combined with the low tire pressure telltale.  
When the system detects a malfunction, the telltale  
will flash for approximately one minute and then  
remain continuously illuminated. This sequence will  
continue upon subsequent vehicle start-ups as long  
as the malfunction exists.  
1. This device may not cause harmful interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation.  
Vehicles with TPMS operate on a radio frequency and  
comply with RSS-210 of Industry and Science Canada.  
Operation is subject to the following two conditions:  
When the malfunction indicator is illuminated, the system  
may not be able to detect or signal low tire pressure as  
intended. TPMS malfunctions may occur for a variety of  
reasons, including the installation of replacement or  
alternate tires or wheels on the vehicle that prevent the  
TPMS from functioning properly. Always check the TPMS  
malfunction telltale after replacing one or more tires or  
wheels on your vehicle to ensure that the replacement or  
alternate tires and wheels allow the TPMS to continue to  
function properly.  
1. This device may not cause interference.  
2. This device must accept any interference received,  
including interference that may cause undesired  
operation of the device.  
Changes or modifications to this system by other than  
an authorized service facility could void authorization to  
use this equipment.  
See Tire Pressure Monitor Operation on page 5-75 for  
additional information.  
5-74  
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The low tire pressure warning light may come on in cool  
weather when the vehicle is first started, and then  
turn off as you start to drive. This could be an early  
indicator that the air pressure in the tire(s) are getting  
low and need to be inflated to the proper pressure.  
Tire Pressure Monitor Operation  
This vehicle may have a Tire Pressure Monitor System  
(TPMS). The TPMS is designed to warn the driver when  
a low tire pressure condition exists. TPMS sensors are  
mounted onto each tire and wheel assembly on your  
vehicle. The TPMS sensors monitor the air pressure in  
the vehicle’s tires and transmits the tire pressure readings  
to a receiver located in the vehicle.  
A Tire and Loading Information label, attached to  
your vehicle, shows the size of your vehicle’s original  
equipment tires and the correct inflation pressure for  
your vehicle’s tires when they are cold. See Loading the  
Vehicle on page 4-23, for an example of the Tire and  
Loading Information label and its location on your vehicle.  
Also see Inflation - Tire Pressure on page 5-71 for  
additional information.  
When a low tire pressure  
condition is detected, the  
TPMS illuminates the low  
tire pressure warning light,  
located in the instrument  
panel cluster.  
Your vehicle’s TPMS can warn you about a low tire  
pressure condition but it does not replace normal  
tire maintenance. See Tire Inspection and Rotation on  
page 5-77, When It Is Time for New Tires on page 5-77,  
and Tires on page 5-62.  
At the same time a message to check the pressure in  
a specific tire appears on the Driver Information Center  
(DIC) display. The low tire pressure warning light and the  
DIC warning message appear at each ignition cycle until  
the tires are inflated to the correct inflation pressure.  
Using the DIC, tire pressure levels can be viewed by the  
driver. For additional information and details about the  
DIC operation and displays see DIC Operation and  
on page 3-56.  
Notice: Liquid tire sealants could damage the Tire  
Pressure Monitor System (TPMS) sensors. Sensor  
damage caused by using a tire sealant is not covered  
by your warranty. Do not use liquid tire sealants.  
5-75  
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The DIC message and TPMS malfunction light  
should go off once the TPMS sensors are installed  
and the sensor matching process is performed  
successfully.  
TPMS Malfunction Light and Message  
The TPMS will not function properly if one or more of the  
TPMS sensors are missing or inoperable. When the  
system detects a malfunction, the low tire warning light  
flashes for about one minute and then stays on for the  
remainder of the ignition cycle. A DIC warning message  
is also displayed. The low tire warning light and DIC  
warning message come on at each ignition cycle until the  
problem is corrected. Some of the conditions that can  
cause the malfunction light and DIC message to come  
on are:  
Replacement tires or wheels do not match your  
vehicle’s original equipment tires or wheels. Tires  
and wheels other than those recommended for your  
vehicle could prevent the TPMS from functioning  
properly. See Buying New Tires on page 5-78.  
Operating electronic devices or being near facilities  
using radio wave frequencies similar to the TPMS  
could cause the TPMS sensors to malfunction.  
The TPMS sensor matching process was not done or  
not completed successfully. The DIC message  
should go off after successfully completing the  
sensor matching process.  
If the TPMS is not functioning it cannot detect or  
signal a low tire condition. See your dealer/retailer for  
service if the TPMS malfunction light and DIC message  
comes on and stays on.  
One or more TPMS sensors are missing or  
damaged. Under these conditions the TPMS  
malfunction light (low tire warning light) comes on,  
and at the same time the DIC message is displayed.  
5-76  
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TPMS Sensor Matching Process  
When It Is Time for New Tires  
Each TPMS sensor has a unique identification code.  
Any time you replace one or more of the TPMS sensors  
or rotate your vehicle’s tires, the identification codes  
will need to be matched to the new tire/wheel position.  
The sensors are matched to the tire/wheel positions  
in the following order: driver side front tire, passenger  
side front tire, passenger side rear tire, and driver  
side rear tire using a TPMS diagnostic tool. See your  
dealer/retailer for service.  
Various factors, such as maintenance, temperatures,  
driving speeds, vehicle loading, and road conditions,  
influence when you need new tires.  
One way to tell when it is  
time for new tires is to  
check the treadwear  
indicators, which will  
appear when your tires  
have only 1/16 inch  
(1.6 mm) or less of tread  
remaining.  
Tire Inspection and Rotation  
We recommend that you regularly inspect your  
vehicle’s tires for signs of wear or damage Also  
check for damaged wheels. See When It Is Time for  
on page 5-82.  
The tires on your vehicle are different sizes front  
to rear. Due to this, the tires should not be rotated.  
Each tire and wheel should be used only in the  
position it is in.  
5-77  
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You need a new tire if any of the following statements  
are true:  
Buying New Tires  
GM has developed and matched specific tires for your  
vehicle. The original equipment tires installed on your  
vehicle, when it was new, were designed to meet General  
Motors Tire Performance Criteria Specification (TPC  
Spec) system rating. If you need replacement tires,  
GM strongly recommends that you get tires with the  
same TPC Spec rating. This way, your vehicle will  
continue to have tires that are designed to give the  
same performance and vehicle safety, during normal  
use, as the original tires.  
You can see the indicators at three or more places  
around the tire.  
You can see cord or fabric showing through the  
tire’s rubber.  
The tread or sidewall is cracked, cut or snagged  
deep enough to show cord or fabric.  
The tire has a bump, bulge or split.  
The tire has a puncture, cut or other damage that  
cannot be repaired well because of the size or  
location of the damage.  
GM’s exclusive TPC Spec system considers over a  
dozen critical specifications that impact the overall  
performance of your vehicle, including brake system  
performance, ride and handling, traction control, and tire  
pressure monitoring performance. GM’s TPC Spec  
number is molded onto the tire’s sidewall near the tire  
size. If the tires have an all-season tread design, the TPC  
Spec number will be followed by an MS for mud and  
snow. See Tire Sidewall Labeling on page 5-64, for  
additional information.  
The rubber in tires degrades over time, even if they are  
not being used. This is also true for the spare tire, if your  
vehicle has one. Multiple conditions affect how fast this  
aging takes place, including temperatures, loading  
conditions, and inflation pressure maintenance. With  
proper care and maintenance tires will typically wear out  
before they degrade due to age. If you are unsure about  
the need to replace your tires as they get older, consult  
the tire manufacturer for more information.  
5-78  
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GM recommends replacing tires in sets of four. This is  
because uniform tread depth on all tires will help  
keep your vehicle performing most like it did when the  
tires were new. Replacing less than a full set of tires can  
affect the braking and handling performance of your  
vehicle. See Tire Inspection and Rotation on page 5-77.  
{ CAUTION:  
If you use bias-ply tires on the vehicle, the  
wheel rim flanges could develop cracks after  
many miles of driving. A tire and/or wheel  
could fail suddenly, causing a crash. Use only  
radial-ply tires with the wheels on the vehicle.  
Winter tires with the same speed rating as your  
original equipment tires may not be available for H, V,  
W, Y and ZR speed rated tires. If you choose snow  
tires with a lower speed rating, never exceed the tire’s  
maximum speed capability.  
If you must replace your vehicle’s tires with those that  
do not have a TPC Spec number, make sure they  
are the same size, load range, speed rating, and  
construction type (radial and bias-belted tires) as  
your vehicle’s original tires.  
{ CAUTION:  
Mixing tires could cause you to lose control while  
driving. If you mix tires of different sizes (other  
than those originally installed on your vehicle),  
brands, or types (radial and bias-belted tires), the  
vehicle may not handle properly, and you could  
have a crash. Using tires of different sizes (other  
than those originally installed on your vehicle),  
brands or types, may also cause damage to your  
vehicle. Be sure to use the correct size, brand,  
and type tires on all four wheels.  
Vehicles that have a tire pressure monitoring system  
could give an inaccurate low-pressure warning if  
non-TPC Spec rated tires are installed on it. Non-TPC  
Spec rated tires may give a low-pressure warning that is  
higher or lower than the proper warning level you would  
get with TPC Spec rated tires. See Tire Pressure Monitor  
System on page 5-73.  
Your vehicle’s original equipment tires are listed on the  
Tire and Loading Information label. See Loading the  
Vehicle on page 4-23, for more information about  
the Tire and Loading Information label and its location  
on your vehicle.  
5-79  
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Different Size Tires and Wheels  
Uniform Tire Quality Grading  
If you add wheels or tires that are a different size than  
your original equipment wheels and tires, this may  
affect the way your vehicle performs, including its  
braking, ride and handling characteristics, stability,  
and resistance to rollover. Additionally, if your vehicle  
has electronic systems such as, antilock brakes, traction  
control, and electronic stability control, the performance  
of these systems can be affected.  
Quality grades can be found where applicable on  
the tire sidewall between tread shoulder and  
maximum section width. For example:  
Treadwear 200 Traction AA  
Temperature A  
The following information relates to the system  
developed by the United States National Highway  
Traffic Safety Administration (NHTSA), which  
grades tires by treadwear, traction, and  
{ CAUTION:  
temperature performance. This applies only to  
vehicles sold in the United States. The grades are  
molded on the sidewalls of most passenger car  
tires. The Uniform Tire Quality Grading (UTQG)  
system does not apply to deep tread, winter-type  
snow tires, space-saver, or temporary use spare  
tires, tires with nominal rim diameters of  
If you add different sized wheels, your vehicle may  
not provide an acceptable level of performance and  
safety if tires not recommended for those wheels  
are selected. You may increase the chance that you  
will crash and suffer serious injury. Only use GM  
specific wheel and tire systems developed for your  
vehicle, and have them properly installed by a GM  
certified technician.  
10 to 12 inches (25 to 30 cm), or to some  
limited-production tires.  
While the tires available on General Motors  
passenger cars and light trucks may vary with  
respect to these grades, they must also conform to  
federal safety requirements and additional General  
Motors Tire Performance Criteria (TPC) standards.  
See Buying New Tires on page 5-78 and Accessories  
and Modifications on page 5-3 for additional information.  
5-80  
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Treadwear  
Temperature – A, B, C  
The treadwear grade is a comparative rating based  
on the wear rate of the tire when tested under  
controlled conditions on a specified government  
test course. For example, a tire graded 150 would  
wear one and a half (1.5) times as well on the  
government course as a tire graded 100. The  
relative performance of tires depends upon the  
actual conditions of their use, however, and may  
depart significantly from the norm due to variations  
in driving habits, service practices, and differences  
in road characteristics and climate.  
The temperature grades are A (the highest), B,  
and C, representing the tire’s resistance to the  
generation of heat and its ability to dissipate heat  
when tested under controlled conditions on a  
specified indoor laboratory test wheel. Sustained  
high temperature can cause the material of the tire  
to degenerate and reduce tire life, and excessive  
temperature can lead to sudden tire failure. The  
grade C corresponds to a level of performance  
which all passenger car tires must meet under the  
Federal Motor Vehicle Safety Standard No. 109.  
Grades B and A represent higher levels of  
performance on the laboratory test wheel than the  
minimum required by law. It should be noted that  
the temperature grade for this tire is established for  
a tire that is properly inflated and not overloaded.  
Excessive speed, underinflation, or excessive  
loading, either separately or in combination, can  
cause heat buildup and possible tire failure.  
Traction – AA, A, B, C  
The traction grades, from highest to lowest, are AA,  
A, B, and C. Those grades represent the tire’s  
ability to stop on wet pavement as measured under  
controlled conditions on specified government test  
surfaces of asphalt and concrete. A tire marked C  
may have poor traction performance.  
5-81  
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Your dealer/retailer will know the kind of wheel you need.  
Wheel Alignment and Tire Balance  
Each new wheel should have the same load-carrying  
capacity, diameter, width, offset, and be mounted  
the same way as the one it replaces.  
The tires and wheels on your vehicle were aligned and  
balanced carefully at the factory to give you the longest  
tire life and best overall performance. Adjustments to  
wheel alignment and tire balancing will not be necessary  
on a regular basis. However, if you notice unusual tire  
wear or your vehicle pulling to one side or the other, the  
alignment might need to be checked. If you notice your  
vehicle vibrating when driving on a smooth road, the tires  
and wheels might need to be rebalanced. See your  
dealer/retailer for proper diagnosis.  
If you need to replace any of your wheels, wheel  
bolts or wheel nuts, replace them only with new GM  
original equipment parts. This way, you will be sure to  
have the right wheel, wheel bolts, and wheel nuts  
for your vehicle.  
{ CAUTION:  
Wheel Replacement  
Using the wrong replacement wheels, wheel bolts,  
or wheel nuts on your vehicle can be dangerous.  
It could affect the braking and handling of your  
vehicle, make your tires lose air and make you  
lose control. You could have a collision in which  
you or others could be injured. Always use the  
correct wheel, wheel bolts, and wheel nuts for  
replacement.  
Replace any wheel that is bent, cracked, or badly rusted  
or corroded. If wheel nuts keep coming loose, the wheel,  
wheel bolts, and wheel nuts should be replaced. If the  
wheel leaks air, replace it (except some aluminum  
wheels, which can sometimes be repaired). See your  
dealer/retailer if any of these conditions exist.  
5-82  
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{ CAUTION:  
{ CAUTION:  
Putting a used wheel on the vehicle is dangerous.  
You cannot know how it has been used or how  
far it has been driven. It could fail suddenly and  
cause a crash. If you have to replace a wheel,  
use a new GM original equipment wheel.  
Rust or dirt on a wheel, or on the parts to  
which it is fastened, can make wheel nuts  
become loose after a time. The wheel could  
come off and cause a crash. When you  
change a wheel, remove any rust or dirt from  
places where the wheel attaches to the  
vehicle. In an emergency, you can use a  
cloth or a paper towel to do this; but be sure  
to use a scraper or wire brush later, if you  
need to, to get all the rust or dirt off.  
Notice: The wrong wheel can also cause problems  
with bearing life, brake cooling, speedometer or  
odometer calibration, headlamp aim, bumper height,  
vehicle ground clearance, and tire clearance to  
the body and chassis.  
5-83  
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Notice: Improperly tightened wheel nuts can lead  
to brake pulsation and rotor damage. To avoid  
expensive brake repairs, evenly tighten the wheel  
nuts in the proper sequence and to the proper  
torque specification.  
Tightening Wheel Lug Nuts  
{ CAUTION:  
Tighten the wheel lug nuts  
firmly in a crisscross  
sequence as shown.  
Never use oil or grease on studs or the threads of  
the wheel nuts. If you do, the wheel nuts might  
come loose and the wheel could fall off, causing  
a crash.  
{ CAUTION:  
Incorrect wheel nuts or improperly tightened wheel  
nuts can cause the wheel to become loose and  
even come off. This could lead to a crash. Be sure  
to use the correct wheel nuts. If you have to  
replace them, be sure to get new GM original  
equipment wheel nuts.  
5-84  
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Tire Chains  
CAUTION: (Continued)  
traction device only if its manufacturer  
{ CAUTION:  
recommends it for use on the vehicle and tire size  
combination and road conditions. Follow that  
manufacturer’s instructions. To help avoid damage  
to the vehicle, drive slowly, re-adjust or remove  
the device if it is contacting the vehicle, and do not  
spin the wheels. If you do find traction devices that  
will fit, install them on the rear tires.  
Do not use tire chains. There is not enough  
clearance. Tire chains used on a vehicle without  
the proper amount of clearance can cause damage  
to the brakes, suspension, or other vehicle parts.  
The area damaged by the tire chains could cause  
you to lose control of the vehicle and you or others  
may be injured in a crash. Use another type of  
CAUTION: (Continued)  
5-85  
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Lifting the Vehicle  
{ CAUTION:  
{ CAUTION:  
Getting under a vehicle when it is jacked up is  
dangerous. If the vehicle slips off the jack, you  
could be badly injured or killed. Never get under a  
vehicle when it is supported only by a jack.  
Lifting a vehicle can cause an injury. The vehicle  
can slip off the jack and roll over you or other  
people. You and they could be badly injured. Find  
a level place to lift your vehicle. To help prevent  
the vehicle from moving:  
1. Set the parking brake firmly.  
{ CAUTION:  
2. Put an automatic transmission shift lever in  
P (Park), or shift a manual transmission  
to 1 (First) or R (Reverse).  
Raising the vehicle with the jack improperly  
positioned can damage the vehicle or the vehicle  
may fall and cause your or others injury.  
3. Turn off the engine.  
To be even more certain the vehicle won’t move,  
you can put blocks in front of and behind the  
wheels.  
5-86  
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If you ever use a jack to lift your vehicle, follow the  
instructions that came with the jack, and be sure to use  
the correct lifting points to avoid damaging your vehicle.  
Lifting From the Front  
Notice: Lifting your vehicle improperly can damage  
your vehicle and result in costly repairs not covered  
by your warranty. To lift your vehicle properly, follow  
the advice in this part.  
To help prevent vehicle damage:  
Be sure to place a block or pad between the  
jack and the vehicle.  
Make sure the jack you are using spans at least  
two crossmember ribs.  
The front lifting points can be accessed from either side  
of your vehicle, behind the front tires.  
Lift only in the areas shown in the following  
pictures.  
For additional information, see your dealer/retailer  
and the Chevrolet Corvette service manual.  
5-87  
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1. Locate the front lifting points (A), according to the  
illustration shown.  
3. Lift the vehicle with the jack, making sure the jack  
spans at least two of the crossmember ribs (B).  
2. Be sure to place a block or pad between the jack  
and the vehicle.  
5-88  
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Lifting From the Rear  
The rear lifting points can be accessed from the rear of  
the vehicle, on either the driver’s or passenger’s side.  
1. Locate the rear lifting points (A), according to the  
illustration shown.  
2. Be sure to place a block or pad between the jack  
and the vehicle.  
5-89  
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If a Tire Goes Flat  
It is unusual for a tire to blow out while you are driving,  
especially if you maintain the tires properly. If air goes  
out of a tire, it is much more likely to leak out slowly.  
See Tires on page 5-62 for additional information. But if  
you should ever have a blowout, here are a few tips about  
what to expect and what to do:  
If a front tire fails, the flat tire creates a drag that pulls  
the vehicle toward that side. Take your foot off the  
accelerator pedal and grip the steering wheel firmly.  
Steer to maintain lane position, and then gently brake  
to a stop well out of the traffic lane.  
A rear blowout, particularly on a curve, acts much like a  
skid and may require the same correction you would  
use in a skid. In any rear blowout remove your foot from  
the accelerator pedal. Get the vehicle under control  
by steering the way you want the vehicle to go. It may  
be very bumpy and noisy, but you can still steer. Gently  
brake to a stop, well off the road if possible.  
3. Lift the vehicle with the jack, making sure the jack  
spans at least two of the crossmember ribs (B).  
For more information, see Doing Your Own Service  
Work on page 5-4.  
The vehicle has no spare tire, no tire changing  
equipment, and no place to store a tire.  
5-90  
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The vehicle, when new, had run-flat tires. This type of tire  
can operate effectively with no air pressure, so you will  
not need to stop on the side of the road to change a flat  
tire. You can just keep on driving. The shorter the  
distance you drive and the slower the speed, the greater  
the chance that the run-flat tire will not have to be  
replaced. Run-flat tires perform so well without any air  
that a Tire Pressure Monitor System (TPMS) is used to  
alert you if a tire has lost pressure. See Run-Flat Tires  
on page 5-69 and Tire Pressure Monitor System on  
page 5-73.  
Appearance Care  
Interior Cleaning  
The vehicle’s interior will continue to look its best if it is  
cleaned often. Although not always visible, dust and dirt  
can accumulate on the upholstery. Dirt can damage  
carpet, fabric, leather, and plastic surfaces. Regular  
vacuuming is recommended to remove particles from the  
upholstery. It is important to keep the upholstery from  
becoming and remaining heavily soiled. Soils should be  
removed as quickly as possible. The vehicle’s interior  
may experience extremes of heat that could cause stains  
to set rapidly.  
{ CAUTION:  
Lighter colored interiors may require more frequent  
cleaning. Use care because newspapers and garments  
that transfer color to home furnishings may also transfer  
color to the vehicle’s interior.  
Special tools and procedures are required to  
service a run-flat tire. If these special tools and  
procedures are not used you or others could be  
injured and the vehicle could be damaged. Always  
be sure the proper tools and procedures, as  
described in the service manual, are used.  
To order a service manual, see Service Publications  
Ordering Information on page 7-16.  
5-91  
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When cleaning the vehicle’s interior, only use cleaners  
specifically designed for the surfaces being cleaned.  
Permanent damage may result from using cleaners on  
surfaces for which they were not intended. Use glass  
cleaner only on glass. Remove any accidental over-spray  
from other surfaces immediately. To prevent over-spray,  
apply cleaner directly to the cleaning cloth.  
Products that remove odors from the vehicle’s  
upholstery and clean the vehicle’s glass can be  
obtained from your dealer/retailer.  
Do not clean the vehicle using:  
A knife or any other sharp object to remove a soil  
from any interior surface.  
A stiff brush. It can cause damage to the vehicle’s  
interior surfaces.  
Notice: Using abrasive cleaners when cleaning  
glass surfaces on the vehicle, could scratch  
the glass and/or cause damage to the rear window  
defogger. When cleaning the glass on the vehicle,  
use only a soft cloth and glass cleaner.  
Heavy pressure or aggressive rubbing with a  
cleaning cloth. Use of heavy pressure can damage  
the interior and does not improve the effectiveness  
of soil removal.  
Many cleaners contain solvents that may become  
concentrated in the vehicle’s breathing space. Before  
using cleaners, read and adhere to all safety instructions  
on the label. While cleaning the vehicle’s interior,  
maintain adequate ventilation by opening the vehicle’s  
doors and windows.  
Laundry detergents or dishwashing soaps with  
degreasers can leave residue that streaks and  
attracts dirt. For liquid cleaners, about 20 drops  
per gallon (3.78 L) of water is a good guide.  
Use only mild, neutral-pH soaps.  
Dust may be removed from small buttons and knobs  
using a small brush with soft bristles.  
Too much cleaner that saturates the upholstery.  
Organic solvents such as naptha, alcohol, etc. that  
can damage the vehicle’s interior.  
5-92  
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3. Start on the outside edge of the soil and gently rub  
toward the center. Continue cleaning, using a clean  
area of the cloth each time it becomes soiled.  
Fabric/Carpet  
Use a vacuum cleaner with a soft brush attachment  
frequently to remove dust and loose dirt. A canister  
vacuum with a beater bar in the nozzle may only be used  
on floor carpet and carpeted floor mats. For any soil,  
always try to remove it first with plain water or club soda.  
Before cleaning, gently remove as much of the soil as  
possible using one of the following techniques:  
4. Continue to gently rub the soiled area until the  
cleaning cloth remains clean.  
5. If the soil is not completely removed, use a mild  
soap solution and repeat the cleaning process  
that was used with plain water.  
If any of the soil remains, a commercial fabric cleaner  
or spot lifter may be necessary. When a commercial  
upholstery cleaner or spot lifter is to be used, test a small  
hidden area for colorfastness first. If the locally cleaned  
area gives any impression that a ring formation may  
result, clean the entire surface.  
For liquids: gently blot the remaining soil with a paper  
towel. Allow the soil to absorb into the paper towel  
until no more can be removed.  
For solid dry soils: remove as much as possible and  
then vacuum.  
To clean:  
After the cleaning process has been completed, a paper  
towel can be used to blot excess moisture from the  
fabric or carpet.  
1. Saturate a lint-free, clean white cloth with water or  
club soda.  
2. Wring the cloth to remove excess moisture.  
5-93  
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Coated Moldings  
Instrument Panel, Vinyl, and Other  
Plastic Surfaces  
These moldings are around the hatch opening in the  
rear area.  
A soft cloth dampened with water may be used to remove  
dust. If a more thorough cleaning is necessary, a clean  
soft cloth dampened with a mild soap solution can be  
used to gently remove dust and dirt. Never use spot lifters  
or removers on plastic surfaces. Many commercial  
cleaners and coatings that are sold to preserve and  
protect soft plastic surfaces may permanently change  
the appearance and feel of the interior and are not  
recommended. Do not use silicone or wax-based  
products, or those containing organic solvents to  
clean the vehicle’s interior because they can alter the  
appearance by increasing the gloss in a non-uniform  
manner.  
When lightly soiled, wipe with a sponge or soft  
lint-free cloth dampened with water.  
When heavily soiled, use warm soapy water.  
Leather  
A soft cloth dampened with water can be used to  
remove dust. If a more thorough cleaning is necessary,  
a soft cloth dampened with a mild soap solution can be  
used. Allow the leather to dry naturally. Do not use heat  
to dry. Never use steam to clean leather. Never use spot  
lifters or spot removers on leather. Many commercial  
leather cleaners and coatings that are sold to preserve  
and protect leather may permanently change the  
appearance and feel of the leather and are not  
recommended. Do not use silicone or wax-based  
products, or those containing organic solvents to  
clean the vehicle’s interior because they can alter the  
appearance by increasing the gloss in a non-uniform  
manner. Never use shoe polish on leather.  
Some commercial products may increase gloss on the  
instrument panel. The increase in gloss may cause  
annoying reflections in the windshield and even make it  
difficult to see through the windshield under certain  
conditions.  
Cargo Cover and Convenience Net  
Wash with warm water and mild detergent, rinse  
with cold water and tumble dry on low. Do not use  
chlorine bleach.  
5-94  
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Care of Safety Belts  
Washing Your Vehicle  
Keep belts clean and dry.  
The best way to preserve your vehicle’s finish is to keep  
it clean by washing it often.  
Notice: Certain cleaners contain chemicals that can  
damage the emblems or nameplates on the vehicle.  
Check the cleaning product label. If it states that  
it should not be used on plastic parts, do not use it  
on the vehicle or damage may occur and it would  
not be covered by the warranty.  
{ CAUTION:  
Do not bleach or dye safety belts. It may severely  
weaken them. In a crash, they might not be able  
to provide adequate protection. Clean safety belts  
only with mild soap and lukewarm water.  
Do not wash the vehicle in direct sunlight. Use a car  
washing soap. Do not use cleaning agents that are  
petroleum based or that contain acid or abrasives, as  
they can damage the paint, metal or plastic on your  
vehicle. Approved cleaning products can be obtained  
from your dealer/retailer. Follow all manufacturers’  
directions regarding correct product usage, necessary  
safety precautions and appropriate disposal of any  
vehicle care product.  
Weatherstrips  
Silicone grease on weatherstrips will make them last  
longer, seal better, and not stick or squeak. Apply  
silicone grease with a clean cloth. During very cold,  
damp weather frequent application may be required.  
5-95  
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Rinse the vehicle well, before washing and after to  
remove all cleaning agents completely. If they are  
allowed to dry on the surface, they could stain.  
Finish Care  
Occasional waxing or mild polishing of the vehicle by  
hand may be necessary to remove residue from  
the paint finish. Approved cleaning products can be  
obtained from your dealer/retailer.  
Dry the finish with a soft, clean chamois or an all-cotton  
towel to avoid surface scratches and water spotting.  
Notice: If you drive the vehicle through an  
If the vehicle has a basecoat/clearcoat paint finish, the  
clearcoat gives more depth and gloss to the colored  
basecoat. Always use waxes and polishes that are  
non-abrasive and made for a basecoat/clearcoat paint  
finish.  
automatic car wash that does not have enough  
clearance for the wide rear tires and wheels, you  
could damage the vehicle. Verify with the manager  
of the car wash that the vehicle will fit before  
entering the car wash or use a touchless car wash.  
Notice: Machine compounding or aggressive  
polishing on a basecoat/clearcoat paint finish  
may damage it. Use only non-abrasive waxes and  
polishes that are made for a basecoat/clearcoat paint  
finish on the vehicle.  
High pressure car washes may cause water to enter the  
vehicle. Avoid using high pressure washes closer than  
12 inches (30 cm) to the surface of the vehicle. Use of  
power washers exceeding 1,200 psi (8 274 kPa) can  
result in damage or removal of paint and decals.  
Foreign materials such as calcium chloride and other  
salts, ice melting agents, road oil and tar, tree sap, bird  
droppings, chemicals from industrial chimneys, etc., can  
damage the vehicle’s finish if they remain on painted  
surfaces. Wash the vehicle as soon as possible. If  
necessary, use non-abrasive cleaners that are marked  
safe for painted surfaces to remove foreign matter.  
Cleaning Exterior Lamps/Lenses  
Use only lukewarm or cold water, a soft cloth and a car  
washing soap to clean exterior lamps and lenses. Follow  
instructions under Washing Your Vehicle on page 5-95.  
Exterior painted surfaces are subject to aging, weather  
and chemical fallout that can take their toll over a period  
of years. To help keep the paint finish looking new, keep  
the vehicle garaged or covered whenever possible.  
5-96  
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Protecting Exterior Bright Metal Parts  
Windshield and Wiper Blades  
Bright metal parts should be cleaned regularly to keep  
their luster. Washing with water is all that is usually  
needed. However, chrome polish may be used on  
chrome or stainless steel trim, if necessary.  
Clean the outside of the windshield with glass cleaner.  
Clean the rubber blades using a lint free cloth or paper  
towel soaked with windshield washer fluid or a mild  
detergent. Wash the windshield thoroughly when  
cleaning the blades. Bugs, road grime, sap, and a  
buildup of vehicle wash/wax treatments may cause  
wiper streaking. Replace the wiper blades if they are  
worn or damaged.  
Use special care with aluminum trim. To avoid damaging  
protective trim, never use auto or chrome polish, steam or  
caustic soap to clean aluminum. A coating of wax, rubbed  
to high polish, is recommended for all bright metal parts.  
ZR1 Carbon Fiber Panels  
Wipers can be damaged by:  
Extreme dusty conditions  
Sand and salt  
Carbon fiber panels can be washed and waxed like any  
other panels.  
Use a clear or black pigmented wax on the inner hood  
carbon fiber panel.  
Heat and sun  
Snow and ice, without proper removal  
ZR1 Hood Window  
The hood window on the ZR1 can be cleaned in the  
same manner as the headlamp lenses. See Cleaning  
Exterior Lamps/Lenses on page 5-96 for more  
information.  
5-97  
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Removable Roof Panel  
Convertible Top  
The vehicle’s convertible top should be cleaned often.  
However, high pressure car washes may cause water to  
enter your vehicle.  
Notice: If you use a glass treatment and/or  
conditioner that contains ethyl alcohol or ethyl  
sulfate on the roof panel, you could damage  
the panel. The repairs would not be covered  
by your warranty. Only use a GM-approved glass  
cleaner on the roof panel.  
When you hand wash the top, do it in partial shade.  
Use a mild soap, lukewarm water and a soft sponge.  
A chamois or cloth may leave lint on the top, and  
a brush can chafe the threads in the top fabric. Do not  
use detergents, harsh cleaners, solvents or bleaching  
agents.  
Special care is necessary when cleaning, removing,  
and/or storing the roof panel.  
Flush with water to remove dust and dirt, then dry  
the panel.  
Wet the entire vehicle and wash the top evenly to avoid  
spots or rings. Let the soap remain on the fabric for  
a few minutes. When the top is really dirty, use a mild  
foam-type cleaner. Thoroughly rinse the entire vehicle,  
then let the top dry in direct sunlight.  
Clean a transparent roof panel with GM Glass  
Cleaner. Leave the cleaner on the panel for  
one minute, then wipe the panel with a soft, lint-free  
cloth. Do not use glass cleaner on a painted roof  
panel.  
To protect the convertible top:  
After you wash the vehicle, make sure the top is  
completely dry before you lower it.  
Do not use abrasive cleaning materials on either type  
of panel.  
Do not get any cleaner on the vehicle’s painted  
finish; it could leave streaks.  
If water drops are frequently allowed to dry on the roof  
panel, impurities in the water will adhere to the top.  
These impurities may etch or mar the finish. When the  
panel gets wet, dry it off.  
If you decide to go through an automatic car wash,  
ask the manager if the equipment could damage  
your top.  
5-98  
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The surface of these wheels is similar to the painted  
surface of the vehicle. Do not use strong soaps,  
chemicals, abrasive polishes, abrasive cleaners, cleaners  
with acid, or abrasive cleaning brushes on them because  
they could damage the surface. Do not use chrome polish  
on aluminum wheels.  
Aluminum or Chrome-Plated Wheels  
and Trim  
The vehicle may have either aluminum or chrome-plated  
wheels.  
Keep the wheels clean using a soft clean cloth with mild  
soap and water. Rinse with clean water. After rinsing  
thoroughly, dry with a soft clean towel. A wax may then  
be applied.  
Notice: Using chrome polish on aluminum wheels  
could damage the wheels. The repairs would not  
be covered by the vehicle warranty. Use chrome  
polish on chrome wheels only.  
Notice: Chrome wheels and other chrome trim may  
be damaged if the vehicle is not washed after driving  
on roads that have been sprayed with magnesium,  
calcium or sodium chloride. These chlorides are  
used on roads for conditions such as ice and dust.  
Always wash the vehicle’s chrome with soap and  
water after exposure.  
Use chrome polish only on chrome-plated wheels, but  
avoid any painted surface of the wheel, and buff off  
immediately after application.  
Notice: Driving the vehicle through an automatic car  
wash that has silicone carbide tire cleaning brushes,  
could damage the aluminum or chrome-plated  
wheels. The repairs would not be covered by the  
vehicle warranty. Never drive a vehicle that has  
aluminum or chrome-plated wheels through an  
automatic car wash that uses silicone carbide tire  
cleaning brushes.  
Notice: Using strong soaps, chemicals, abrasive  
polishes, cleaners, brushes, or cleaners that contain  
acid on aluminum or chrome-plated wheels, could  
damage the surface of the wheel(s). The repairs  
would not be covered by the vehicle warranty.  
Use only approved cleaners on aluminum or  
chrome-plated wheels.  
5-99  
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Tires  
Underbody Maintenance  
To clean the tires, use a stiff brush with tire cleaner.  
Chemicals used for ice and snow removal and dust  
control can collect on the underbody. If these are not  
removed, corrosion and rust can develop on the  
underbody parts such as fuel lines, frame, floor pan,  
and exhaust system even though they have corrosion  
protection.  
Notice: Using petroleum-based tire dressing  
products on the vehicle may damage the paint finish  
and/or tires. When applying a tire dressing, always  
wipe off any overspray from all painted surfaces  
on the vehicle.  
At least every spring, flush these materials from the  
underbody with plain water. Clean any areas where mud  
and debris can collect. Dirt packed in close areas of the  
frame should be loosened before being flushed. Your  
dealer/retailer or an underbody car washing system can  
do this.  
Finish Damage  
Any stone chips, fractures or deep scratches in the finish  
should be repaired right away. Bare metal will corrode  
quickly and may develop into major repair expense.  
Minor chips and scratches can be repaired with touch-up  
materials available from your dealer/retailer. Larger areas  
of finish damage can be corrected in your dealer’s/  
retailer’s body and paint shop.  
Fiberglass Springs  
(Composite Springs)  
Notice: If you use acidic or corrosive cleaning  
products, engine degreasers or aluminum cleaning  
agents on fiberglass springs, you may damage the  
springs. The repairs would not be covered by your  
warranty. Use only approved cleaners when cleaning  
your vehicle’s fiberglass springs.  
5-100  
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Chemical Paint Spotting  
Vehicle Identification  
Some weather and atmospheric conditions can create a  
chemical fallout. Airborne pollutants can fall upon and  
attack painted surfaces on the vehicle. This damage can  
take two forms: blotchy, ring-shaped discolorations, and  
small, irregular dark spots etched into the paint surface.  
Vehicle Identification Number (VIN)  
Although no defect in the paint job causes this, we will  
repair, at no charge to the owner, the surfaces of new  
vehicles damaged by this fallout condition within  
12 months or 12,000 miles (20 000 km) of purchase,  
whichever occurs first.  
This is the legal identifier for the vehicle. It appears on  
a plate in the front corner of the instrument panel,  
on the driver side. It can be seen through the windshield  
from outside the vehicle. The VIN also appears on the  
Vehicle Certification and Service Parts labels and  
the certificates of title and registration.  
5-101  
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Engine Identification  
Electrical System  
The eighth character in the VIN is the engine code.  
This code helps identify the vehicle’s engine,  
specifications, and replacement parts. See “Engine  
Specifications” under Capacities and Specifications  
on page 5-110 for the vehicle’s engine code.  
Add-On Electrical Equipment  
Notice: Do not add anything electrical to the  
vehicle unless you check with your dealer/retailer  
first. Some electrical equipment can damage  
the vehicle and the damage would not be covered  
by the vehicle’s warranty. Some add-on electrical  
equipment can keep other components from  
working as they should.  
Service Parts Identification Label  
This label is on the inside of the glove box. It is  
very helpful if parts need to be ordered. The label has  
the following information:  
Add-on equipment can drain the vehicle battery, even if  
the vehicle is not operating.  
Vehicle Identification Number (VIN)  
Model designation  
The vehicle has an airbag system. Before attempting to  
add anything electrical to the vehicle, see Servicing  
Paint information  
Production options and special equipment  
Do not remove this label from the vehicle.  
Headlamp Wiring  
The headlamp wiring is protected by fuses in the fuse  
block. An electrical overload will cause the lamps to turn  
off. If this happens, have the headlamp wiring checked  
right away.  
5-102  
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If you ever have a problem on the road and do not  
have a spare fuse, you can borrow one that has the  
same amperage. Just pick some feature of the vehicle  
that you can get along without – like the radio or cigarette  
lighter – and use its fuse, if it is the correct amperage.  
Replace it as soon as you can.  
Windshield Wiper Fuses  
The windshield wiper motor is protected by a circuit  
breaker and a fuse. If the motor overheats due to heavy  
snow, etc., the wiper will stop until the motor cools. If the  
overload is caused by some electrical problem, have it  
fixed.  
Vehicles with the ZR–1 package have an intercooler  
relay located on the fan shroud. See your dealer/retailer.  
Power Windows and Other Power  
Options  
Vehicles with the ZR–1 package also have a fuel  
system mini-fuse. It is located near the battery in the  
battery storage compartment in the rear of the vehicle.  
Circuit breakers protect the power seats, power windows,  
and other power accessories. When the current load  
is too heavy, the circuit breaker opens and closes,  
protecting the circuit until the problem is fixed or  
goes away.  
Instrument Panel Fuse Block  
The instrument panel fuse block is located on the  
passenger side of the vehicle, under the instrument  
panel and under the toe-board.  
Fuses and Circuit Breakers  
Remove the carpet and toe-board covering to access  
the fuse block by pulling at the top of each corner of the  
panel. Open the fuse block cover to access the fuses.  
The wiring circuits in the vehicle are protected from  
short circuits by a combination of J-Case fuses,  
mini-fuses and circuit breakers. This greatly reduces  
the chance of fires caused by electrical problems.  
You can remove fuses using the fuse puller.  
Look at the silver-colored band inside the fuse. If the  
band is broken or melted, replace the fuse. Be sure you  
replace a bad fuse with a new one of the identical  
size and rating.  
5-103  
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Fuses  
Usage  
Fuses  
Usage  
BCK/UP LAMP Reverse Lamps  
BTSI SOL/STR Brake Transmission Shift Interlock,  
WHL LCK  
Steering Wheel Column Lock  
Cluster, Heads-Up Display  
BLANK  
BLANK  
Not Used  
Not Used  
CLSTR/HUD  
5-104  
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Fuses  
CRUISE  
SWITCH  
Usage  
Fuses  
REVERSE  
LAMPS  
Usage  
Reverse Lamps  
Cruise Control Switch  
CTSY/LAMP  
DR LCK  
DRIV DR  
SWITCH  
Courtesy Lamp  
Door Locks  
RUN CRNK  
Run/Crank Relay  
SDM/AOS  
SWTCH  
AIRBAG  
SPARE  
SPARE  
Sensing and Diagnostic Module,  
Automatic Occupant Sensing  
Module, Airbag  
Spare  
Spare  
Driver Door Switch  
ECM  
Engine Control Module (ECM)  
Exhaust Module (Z06),  
Spare (Coupe and Convertible)  
EXH MDL  
SPARE  
Spare  
GM LAN  
SPARE  
STOP LAMP  
SWC DM  
TELE  
SWTCH/MSM  
TONNEAU  
RELSE  
TPA  
Spare  
Stop Lamp  
Steering Wheel Dimming  
Telescope Switch, Memory Seat  
Module  
GM LAN Devices  
RUN/CRNK  
HTD SEAT/  
WPR RLY  
HVAC/  
PWR SND  
IGN SWTCH/  
INTR SNSR  
Heated Seat, Wiper Relays  
Heating. Ventilation/Air Conditioning,  
Power Sounder  
Tonneau Release  
Ignition Switch, Intrusion Sensor  
Tonneau Pulldown Actuator  
Electric Inside Rearview Mirror,  
ISRVM/HVAC  
Heating, Ventilation, Air Conditioning  
ONSTAR  
RDO/S-BAND/  
VICS  
OnStar®  
Fuses  
BLANK  
BLANK  
Usage  
Blank  
Blank  
Radio, S-Band, VICS  
REAR FOG/  
ALDL/TOP  
SWTCH  
Rear Fog Lamp, Assembly Line  
Diagnostic Link Connector,  
Convertible Top Switch  
FUEL DR  
RELSE  
Fuel Door Release  
5-105  
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Fuses  
REAR/FOG  
TONNEAU  
RELSE  
TRUNK RELSE Trunk Release  
Usage  
Rear Fog Lamps  
Fuses  
PWR SEATS  
MSM  
PWR/ WNDWS/  
TRUNK/FUEL  
RELSE  
Usage  
Power Seats, Memory Seat Module  
Tonneau Release  
Power Windows, Trunk, Fuel Door  
Release  
TRUNK RELSE Trunk Release  
Fuses  
Usage  
Auxiliary Power  
WPR DWELL  
WPR/WSW  
Wiper Dwell  
Windshield Wiper/Washer  
AUX PWR  
BLANK  
BLANK  
BLANK  
BLANK  
BLANK  
BLANK  
BLANK  
Not Used  
Not Used  
Not Used  
Not Used  
Not Used  
Not Used  
Not Used  
Engine Compartment Fuse Block  
There is one fuse block in the engine compartment  
located on the passenger side of the vehicle. See  
Engine Compartment Overview on page 5-14 for more  
information on location.  
DRVR HTD  
SEAT  
LTR  
Notice: Spilling liquid on any electrical components  
on the vehicle may damage it. Always keep the  
covers on any electrical component.  
Driver Heated Seat  
Cigarette Lighter  
PASS HTD  
SEAT  
Passenger Heated Seat  
5-106  
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Fuse  
Usage  
Fuse  
Usage  
Transmission Control  
Module/Transmission  
Horn, Alternator Sense  
Antilock Braking System (ABS)/Real  
Time Damping  
4
5
6
7
Wiper  
1
2
3
Stoplamps/Back-Up Lamps  
Oxygen Sensor  
Battery Main 5  
5-107  
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Fuse  
8
Usage  
Fuse  
23  
Usage  
Parking Lamps  
Passenger Side High-Beam  
Headlamp  
Driver Side High-Beam Headlamp  
Powertrain Relay Input/Electronic  
Throttle Control  
9
24  
10  
11  
12  
Manual Transmission Solenoids  
Antilock Braking System  
Odd Numbered Fuel Injectors  
Engine Control Module (ECM)/  
Transmission Control Module (TCM)/  
Easy Key Module  
56  
Electronic Suspension Control  
(Option)  
Canister Purge Solenoid, Mass Air  
Flow Sensor  
Air Conditioner Compressor  
Even Numbered Fuel Injectors  
Windshield Washer  
Headlamp Washer  
Passenger Side Low-Beam  
Headlamp  
Fuel Pump  
Driver Side Low-Beam Headlamp  
Front Fog Lamp  
13  
14  
J-Style Fuses  
Usage  
Cooling Fan  
Battery Main 3  
Antilock Brake System  
Heating/Ventilation/Air Conditioning  
Blower  
Battery Main 2  
Starter  
Audio Amplifier  
Intercooler Pump  
Battery Main 1  
25  
26  
27  
15  
16  
17  
18  
28  
29  
30  
31  
32  
33  
19  
20  
21  
22  
5-108  
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Micro-Relays  
Usage  
Spare Fuses  
Usage  
34  
35  
36  
37  
38  
39  
46  
55  
Horn  
48  
49  
50  
51  
52  
53  
54  
Spare  
Spare  
Spare  
Spare  
Spare  
Spare  
Fuse Puller  
Air Conditioning Compressor  
Windshield Washer  
Parking Lamps, Foglamps  
Front Fog Lamp  
High-Beam Headlamp  
Headlamp Washer  
Fuel Pump  
Diodes  
§
§
Usage  
Mini-Relays  
Usage  
Rear Defog  
Windshield Wiper High/Low  
Windshield Wiper Run/Accessory  
Crank  
Powertrain Ignition 1  
Windshield Wiper On/Off  
Low-Beam Headlamp  
Diode 1  
Wiper  
40  
41  
42  
43  
44  
45  
47  
Diode 2  
§
5-109  
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Capacities and Specifications  
The following approximate capacities are given in English and metric conversions.  
See Recommended Fluids and Lubricants on page 6-12 for more information.  
Capacities  
Application  
English  
Metric  
For the air conditioning system refrigerant charge  
amount, see the refrigerant caution label located  
under the hood. See your dealer/retailer for more  
information.  
Air Conditioning Refrigerant R134a  
Cooling System  
6.2L LS3 V8 Engine  
11.9 qt  
12.7 qt  
11.3 L  
12.0 L  
6.2L LS9 V8 Supercharged Engine – Cooling System  
6.2L LS9 V8 Supercharged Engine – Supercharger  
Intercooler Cooling System  
5.2 qt  
4.9 L  
7.0L LS7 V8 Engine  
11.9 qt  
11.3 L  
5-110  
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Capacities  
Application  
English  
Metric  
Engine Oil with Filter  
6.2L LS3 V8  
6.0 qt  
10.5 qt  
10.5 qt  
18.0 gal  
5.7 L  
9.9 L  
9.9 L  
68.0 L  
6.2L LS9 V8 Supercharged Engine  
7.0L LS7 V8 Engine  
Fuel Tank  
Transmission Fluid  
Automatic Transmission (Pan Removal and Filter  
Replacement)  
6.5 qt  
6.2 L  
Manual Transmission – Base  
Manual Transmission – Z51  
Manual Transmission – Z06  
Manual Transmission – ZR1  
Wheel Nut Torque  
3.6 qt  
4.2 qt  
3.5 L  
4.0 L  
4.5 qt  
4.3 L  
4.5 qt  
4.3 L  
100 lb ft  
140 Y  
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this  
manual. Recheck fluid level after filling  
5-111  
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Engine Specifications  
Engine  
6.2L LS3 V8  
VIN Code  
Transmission  
Spark Plug Gap  
Firing Order  
Automatic  
Manual  
W
0.040 in (1.016 mm)  
1–8–7–2–6–5–4–3  
6.2L LS9 V8  
7.0L LS7 V8  
R
E
Manual  
Manual  
0.040 in (1.016 mm)  
0.040 in (1.016 mm)  
1–8–7–2–6–5–4–3  
1–8–7–2–6–5–4–3  
Engine Data  
Engine  
Horsepower  
Torque  
Displacement  
Compression Ratio  
6.2L LS3 V8 without  
option NPP  
430 @ 5900 rpm  
424 lb ft @ 4600 rpm  
428 lb ft @ 4600 rpm  
6.2L  
10.69:1  
6.2L LS3 V8 with  
option NPP  
436 @ 5900 rpm  
6.2L  
10.69:1  
6.2L LS9 V8  
Supercharged  
638 @ 6500 rpm  
505 @ 6300 rpm  
604 lb ft @ 3800 rpm  
470 lb ft @ 4800 rpm  
6.2L  
7.0L  
9.10:1  
7.0L LS7 V8  
11.00:1  
5-112  
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Your Vehicle and the Environment  
Maintenance Schedule  
Proper vehicle maintenance not only helps to keep  
the vehicle in good working condition, but also helps the  
environment. All recommended maintenance is  
important. Improper vehicle maintenance can even  
affect the quality of the air we breathe. Improper fluid  
levels or the wrong tire inflation can increase the level of  
emissions from the vehicle. To help protect the  
environment, and to keep the vehicle in good condition,  
be sure to maintain the vehicle properly.  
Introduction  
Important: Keep engine oil at the proper level and  
change as recommended.  
Using the Maintenance Schedule  
We want to help keep this vehicle in good working  
condition. But we do not know exactly how you will drive  
it. You might drive very short distances only a few times a  
week. Or you might drive long distances all the time in  
very hot, dusty weather. You might use the vehicle in  
making deliveries. Or you might drive it to work, to do  
errands, or in many other ways.  
Have you purchased the GM Protection Plan? The Plan  
supplements the vehicle warranties. See the Warranty  
and Owner Assistance booklet or your dealer/retailer for  
details.  
Maintenance Requirements  
Because of all the different ways people use their  
vehicles, maintenance needs vary. You might need more  
frequent checks and replacements. So please read the  
following and note how you drive. If you have any  
questions on how to keep the vehicle in good condition,  
see your dealer/retailer.  
Notice: Maintenance intervals, checks, inspections,  
replacement parts, and recommended fluids and  
lubricants as prescribed in this manual are necessary  
to keep this vehicle in good working condition. Any  
damage caused by failure to follow scheduled  
maintenance might not be covered by the vehicle  
warranty.  
6-2  
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This schedule is for vehicles that:  
Some maintenance services can be complex. So, unless  
you are technically qualified and have the necessary  
equipment, have your dealer/retailer do these jobs.  
carry passengers and cargo within recommended  
limits on the Tire and Loading Information label.  
See Loading the Vehicle on page 4-23.  
When you go to your dealer/retailer for service, trained  
and supported service technicians will perform the  
work using genuine parts.  
are driven on reasonable road surfaces within legal  
driving limits.  
To purchase service information, see Service  
use the recommended fuel. See Gasoline Octane  
on page 5-5.  
Owner Checks and Services on page 6-9 tells what  
should be checked, when to check it, and what can easily  
be done to help keep the vehicle in good condition.  
The services in Scheduled Maintenance on page 6-4  
should be performed when indicated. See Additional  
Footnotes on page 6-7 for further information.  
The proper replacement parts, fluids, and lubricants to  
on page 6-14. When the vehicle is serviced, make sure  
these are used. All parts should be replaced and all  
necessary repairs done before you or anyone else  
drives the vehicle. We recommend the use of genuine  
parts from your dealer/retailer.  
{ CAUTION:  
Performing maintenance work on a vehicle can be  
dangerous. In trying to do some jobs, you can be  
seriously injured. Do your own maintenance work  
only if you have the required know-how and the  
proper tools and equipment for the job. If you have  
any doubt, see your dealer/retailer to have a  
qualified technician do the work. See Doing Your  
Own Service Work on page 5-4.  
6-3  
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When the CHANGE ENGINE OIL message appears,  
certain services, checks, and inspections are required.  
Required services are described in the following for  
“Maintenance I” and “Maintenance II.” Generally,  
it is recommended that the first service be  
Maintenance I, the second service be Maintenance II,  
and then alternate Maintenance I and Maintenance II  
thereafter. However, in some cases, Maintenance II may  
be required more often.  
Scheduled Maintenance  
When the CHANGE ENGINE OIL message displays,  
service is required for the vehicle. Have the vehicle  
serviced as soon as possible within the next 600 miles  
(1 000 km). It is possible that, if driving under the best  
conditions, the engine oil life system may not indicate that  
vehicle service is necessary for over a year. However, the  
engine oil and filter must be changed at least once a year  
and at this time the system must be reset. Your dealer/  
retailer has trained service technicians who will perform  
this work using genuine parts and reset the system.  
Maintenance I — Use Maintenance I if the message  
displays within 10 months since the vehicle was  
purchased or Maintenance II was performed.  
If the engine oil life system is ever reset accidentally,  
service the vehicle within 3,000 miles (5 000 km)  
since the last service. Remember to reset the oil life  
system whenever the oil is changed. See Engine Oil Life  
System on page 5-26 for information on the Engine  
Oil Life System and resetting the system.  
Maintenance II — Use Maintenance II if the previous  
service performed was Maintenance I. Always use  
Maintenance II whenever the message displays  
10 months or more since the last service or if the  
message has not come on at all for one year.  
6-4  
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Scheduled Maintenance  
Service  
Maintenance I Maintenance II  
Change engine oil and filter. See Engine Oil on page 5-19. Reset oil life  
system. See Engine Oil Life System on page 5-26. An Emission Control  
Service.  
Visually check for any leaks or damage. See footnote (g).  
Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air  
Cleaner/Filter on page 5-28. See footnote (k).  
Check tire inflation pressures and tire wear. See Tires on page 5-62.  
Inspect brake system. See footnote (a).  
Check engine coolant and windshield washer fluid levels and add fluid as  
needed.  
Perform any needed additional services. See “Additional Required Services”  
in this section.  
Inspect suspension and steering components. See footnote (b).  
Inspect engine cooling system. See footnote (c).  
Inspect wiper blades. See footnote (d).  
Inspect restraint system components. See footnote (e).  
Lubricate body components. See footnote (f).  
Replace passenger compartment air filter. See footnote (j).  
6-5  
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Additional Required Services  
The following services should be performed at the first maintenance service (I or II) after the indicated miles  
(kilometers) shown for each item.  
Additional Required Services  
25,000  
(40 000)  
50,000  
75,000  
100,000  
125,000  
150,000  
Service and Miles (Kilometers)  
(80 000) (120 000) (160 000) (200 000) (240 000)  
Inspect fuel system for damage or leaks.  
Inspect exhaust system for loose or  
damaged components.  
Except ZR1: Replace engine air cleaner  
filter. See Engine Air Cleaner/Filter on  
page 5-28.  
ZR1 Only: Replace engine air cleaner  
filter. See Engine Air Cleaner/Filter on  
page 5-28.  
Change automatic transmission fluid and  
filter (severe service). See footnote (h).  
Change automatic transmission fluid and  
filter (normal service).  
Replace spark plugs and inspect spark  
plug wires. An Emission Control Service.  
6-6  
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Additional Required Services (cont’d)  
25,000  
(40 000)  
50,000  
75,000  
100,000  
125,000  
150,000  
Service and Miles (Kilometers)  
(80 000) (120 000) (160 000) (200 000) (240 000)  
Engine cooling system service (or every  
five years, whichever occurs first).  
An Emission Control Service.  
See footnote (i).  
ZR1 Only: Intercooler system service  
(or every five years, whichever occurs  
first). See footnote (n).  
Inspect engine accessory drive belt.  
An Emission Control Service.  
See footnote (l).  
Change clutch hydraulic fluid at a regular  
maintenance service every two years.  
See footnote (m).  
(b) Visually inspect front and rear suspension and  
steering system for damaged, loose, or missing parts or  
signs of wear. Inspect power steering lines and hoses  
for proper hook-up, binding, leaks, cracks, chafing, etc.  
For ZO6 and ZR1 models and vehicles with the Z51  
performance package, lubricate the outer ends of both  
rear toe-links.  
Maintenance Footnotes  
(a) Visually inspect brake lines and hoses for proper  
hook-up, binding, leaks, cracks, chafing, etc. Inspect disc  
brake pads for wear and rotors for surface condition.  
Inspect other brake parts, including calipers, parking  
brake, etc.  
6-7  
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(c) Visually inspect hoses and have them replaced if  
they are cracked, swollen, or deteriorated. Inspect all  
pipes, fittings, and clamps; replace with genuine parts as  
needed. To help ensure proper operation, a pressure test  
of the cooling system and pressure cap and cleaning the  
outside of the radiator and air conditioning condenser is  
recommended at least once a year.  
(g) A fluid loss in any vehicle system could indicate a  
problem. Have the system inspected and repaired  
and the fluid level checked. Add fluid if needed.  
(h) Change automatic transmission fluid and filter if the  
vehicle is mainly driven under one or more of these  
conditions:  
In heavy city traffic where the outside temperature  
(d) Inspect wiper blades for wear, cracking, or  
contamination. Clean the windshield and wiper blades, if  
contaminated. Replace wiper blades that are worn or  
page 5-59 and Windshield and Wiper Blades on  
page 5-97 for more information.  
regularly reaches 90°F (32°C) or higher.  
In hilly or mountainous terrain.  
Uses such as high performance operation.  
(i) Drain, flush, and refill cooling system. This service can  
be complex; you should have your dealer/retailer perform  
this service. See Engine Coolant on page 5-34 for what to  
use. Inspect hoses. Clean radiator, condenser, pressure  
cap, and filler neck. Pressure test the cooling system and  
pressure cap.  
(e) Make sure the safety belt reminder light and safety  
belt assemblies are working properly. Look for any other  
loose or damaged safety belt system parts. If you see  
anything that might keep a safety belt system from doing  
its job, have it repaired. Have any torn or frayed safety  
belts replaced. Also see Checking the Restraint Systems  
on page 1-58.  
(j) If driving regularly under dusty conditions, the filter  
may require replacement more often.  
(k) If driving regularly under dusty conditions, inspect  
(f) Lubricate all key lock cylinders and body door hinges.  
Lubricate all hinges and latches, including those for the  
hood, rear compartment, console door, and any folding  
seat hardware. More frequent lubrication may be required  
when exposed to a corrosive environment. Applying  
silicone grease on weatherstrips with a clean cloth will  
make them last longer, seal better, and not stick or  
squeak.  
the filter at each engine oil change.  
(l) Visually inspect belt for fraying, excessive cracks, or  
obvious damage. Replace belt if necessary.  
6-8  
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(m) Drain, flush, and refill clutch hydraulic system at a  
regular service interval (I or II) every two years. This  
service can be complex; you should have your dealer/  
retailer perform this service. See Hydraulic Clutch on  
page 5-31.  
Engine Oil Level Check  
Notice: It is important to check the engine oil  
regularly and keep it at the proper level. Failure to  
keep the engine oil at the proper level can cause  
damage to the engine not covered by the vehicle  
warranty.  
(n) Drain, flush, and refill intercooler system. This service  
can be complex; you should have your dealer/retailer  
perform this service. See Engine Coolant on page 5-34.  
Check the engine oil level and add the proper oil if  
necessary. See Engine Oil on page 5-19.  
Owner Checks and Services  
Coolant Level Check  
These owner checks and services should be performed  
at the intervals specified to help ensure vehicle safety,  
dependability, and emission control performance. Your  
dealer/retailer can assist with these checks and services.  
Check the engine coolant level and, on ZR1 models,  
check the intercooler coolant level. Add DEX-COOL®  
coolant mixture if necessary. See Engine Coolant  
on page 5-34.  
Be sure any necessary repairs are completed at once.  
Whenever any fluids or lubricants are added to the  
vehicle, make sure they are the proper ones, as shown  
Windshield Washer Fluid Level Check  
Check the windshield washer fluid level in the windshield  
washer fluid reservoir and add the proper fluid if  
necessary.  
At Each Fuel Fill  
At Least Once a Month  
It is important to perform these underhood checks at  
each fuel fill.  
Tire Inspection and Inflation Check  
Inspect the vehicle’s tires for wear and make sure they  
are inflated to the correct pressures. See Inflation - Tire  
Pressure on page 5-71.  
6-9  
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Automatic Transmission Shift Lock  
Control System Check  
At Least Once a Year  
Starter Switch Check  
{ CAUTION:  
{ CAUTION:  
When you are doing this inspection, the vehicle  
could move suddenly. If the vehicle moves, you or  
others could be injured.  
When you are doing this inspection, the vehicle  
could move suddenly. If the vehicle moves, you or  
others could be injured.  
1. Before starting this check, be sure there is enough  
room around the vehicle. It should be parked on a  
level surface.  
1. Before starting this check, be sure there is enough  
room around the vehicle.  
2. Firmly apply both the parking brake and the regular  
brake. See Parking Brake on page 2-32.  
2. Firmly apply the parking brake. See Parking Brake  
on page 2-32.  
Do not use the accelerator pedal, and be ready to  
turn off the engine immediately if it starts.  
Be ready to apply the regular brake immediately if  
the vehicle begins to move.  
3. For automatic transmission vehicles, try to start the  
engine in each gear. The vehicle should start only in  
P (Park) or N (Neutral). If the vehicle starts in any  
other position, contact your dealer/retailer for service.  
For manual transmission vehicles, put the shift lever  
in Neutral, push the clutch pedal down halfway, and  
try to start the engine. The vehicle should start only  
when the clutch pedal is pushed down all the way to  
the floor. If the vehicle starts when the clutch pedal is  
not pushed all the way down, contact your dealer/  
retailer for service.  
3. With the engine off and without applying the regular  
brake, try to move the shift lever out of P (Park)  
with normal effort. If the shift lever moves out  
of P (Park), contact your dealer/retailer for service.  
6-10  
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Park on a fairly steep hill, with the vehicle facing downhill.  
Keeping your foot on the regular brake, set the parking  
brake.  
Parking Brake and Automatic  
Transmission P (Park) Mechanism  
Check  
To check the parking brake’s holding ability: With the  
engine running and transmission in N (Neutral),  
slowly remove foot pressure from the regular brake  
pedal. Do this until the vehicle is held by the parking  
brake only.  
{ CAUTION:  
To check the P (Park) mechanism’s holding ability:  
With the engine running, shift to P (Park). Then  
release the parking brake followed by the regular  
brake.  
When you are doing this check, the vehicle could  
begin to move. You or others could be injured and  
property could be damaged. Make sure there is  
room in front of the vehicle in case it begins to roll.  
Be ready to apply the regular brake at once  
should the vehicle begin to move.  
Contact your dealer/retailer if service is required.  
Underbody Flushing Service  
At least every spring, use plain water to flush any  
corrosive materials from the underbody. Take care to  
clean thoroughly any areas where mud and other debris  
can collect.  
6-11  
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Recommended Fluids and  
Lubricants  
Usage  
Fluid/Lubricant  
50/50 mixture of clean, drinkable  
water and use only DEX-COOL®  
Coolant. See Engine Coolant on  
page 5-34.  
50/50 mixture of clean, drinkable  
water and use only DEX-COOL®  
Coolant. See Engine Coolant on  
page 5-34.  
Engine Coolant  
Fluids and lubricants identified below by name, part  
number, or specification can be obtained from your  
dealer/retailer.  
ZR1 Only:  
Intercooler  
System  
Usage  
Fluid/Lubricant  
The engine requires a special engine  
oil meeting GM Standard GM4718M.  
Oils meeting this standard can be  
identified as synthetic, and should  
also be identified with the American  
Petroleum Institute (API) Certified for  
Gasoline Engines starburst symbol.  
However, not all synthetic API oils  
with the starburst symbol will meet  
this GM standard. Look for and use  
only an oil that meets GM Standard  
GM4718M. For the proper viscosity,  
see Engine Oil on page 5-19.  
DOT 3 Hydraulic Brake Fluid  
(GM Part No. U.S. 88862806,  
in Canada 88862807).  
Hydraulic Brake  
System  
Windshield  
Washer  
Optikleen® Washer Solvent.  
Engine Oil  
Hydraulic Clutch Fluid. Use only  
GM Part No. U.S. 88958860,  
Clutch System in Canada 88901244, Super DOT-4  
brake fluid.  
Hydraulic  
GM Power Steering Fluid  
Power Steering  
(GM Part No. U.S. 89021184,  
System  
in Canada 89021186).  
6-12  
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Usage  
Chassis  
Lubrication  
Fluid/Lubricant  
Chassis Lubricant  
(GM Part No. U.S. 12377985,  
in Canada 88901242) or lubricant  
meeting requirements of NLGI #2,  
Category LB or GC-LB.  
Usage  
Fluid/Lubricant  
Hood Latch  
Assembly,  
Secondary  
Lubriplate Lubricant Aerosol  
(GM Part No. U.S. 12346293,  
(Rear Toe-Link  
Outer Ends with  
ZO6, ZR1, or  
Z51 Option)  
Latch, Pivots, in Canada 992723) or lubricant  
Spring  
Anchor, and  
Release Pawl  
meeting requirements of NLGI #2,  
Category LB or GC-LB.  
Manual Transmission Fluid  
(GM Part No. U.S. 88861800,  
in Canada 88861801).  
DEXRON®-VI Automatic  
Manual  
Transmission  
Multi-Purpose Lubricant, Superlube  
(GM Part No. U.S. 12346241,  
in Canada 10953474).  
Weatherstrip Lubricant  
(GM Part No. U.S. 3634770,  
Hood and Door  
Hinges  
Automatic  
Transmission Transmission Fluid.  
Multi-Purpose Lubricant, Superlube  
(GM Part No. U.S. 12346241,  
in Canada 10953474).  
Key Lock  
Cylinders  
Weatherstrip in Canada 10953518) or  
Conditioning  
Dielectric Silicone Grease  
(GM Part No. U.S. 12345579,  
in Canada 992887).  
Rear Axle  
(Limited-Slip  
Differential)  
DEXRON® LS Gear Oil. See Rear  
Axle on page 5-54.  
6-13  
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Maintenance Replacement Parts  
Replacement parts identified below by name, part number, or specification can be obtained from your dealer/retailer.  
Part  
GM Part Number  
ACDelco Part Number  
Engine Air Cleaner/Filter  
6.2L LS3 V8 and 7.0L LS7 V8 Engines  
6.2L LS9 V8 Supercharged Engine  
Engine Oil Filter  
15776148  
25940997  
A3077C  
A3107C  
6.2L LS3 V8 Engines  
6.2L LS9 V8 Supercharged Engine  
7.0L LS7 V8 Engine  
89017524  
12626224  
12626224  
15848592  
PF48  
UPF-48R  
UPF-48R  
CF139  
Passenger Compartment Air Filter Element  
Spark Plug  
6.2L LS3 V8 Engine  
6.2L LS9 V8 Supercharged Engine  
7.0L LS7 V8 Engine  
12609877  
12571165  
12571165  
41-985  
41-104  
41-104  
Wiper Blades — 20.7 in (52.5 cm)  
Driver Side  
12335960  
12335961  
Passenger Side  
6-14  
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Engine Drive Belt Routing  
6.2L LS9 V8 Engine  
6.2L LS3 V8, 7.0L LS7 V8 Engines  
6-15  
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Maintenance Record  
After the scheduled services are performed, record the date, odometer reading, who performed the service, and the  
type of services performed in the boxes provided. See Maintenance Requirements on page 6-2. Any additional  
information from Owner Checks and Services on page 6-9 can be added on the following record pages. You should  
retain all maintenance receipts.  
Maintenance Record  
Odometer  
Reading  
Maintenance I or  
Maintenance II  
Date  
Serviced By  
Services Performed  
6-16  
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Maintenance Record (cont’d)  
Odometer  
Reading  
Maintenance I or  
Maintenance II  
Date  
Serviced By  
Services Performed  
6-17  
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Maintenance Record (cont’d)  
Odometer  
Reading  
Maintenance I or  
Maintenance II  
Date  
Serviced By  
Services Performed  
6-18  
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STEP TWO: If after contacting a member of dealership  
management, it appears your concern cannot be  
resolved by the dealership without further help, in the  
U.S., call the Chevrolet Customer Assistance Center  
at 1-800-222-1020. In Canada, call General Motors  
of Canada Customer Communication Centre at  
Customer Assistance and  
Information  
Customer Satisfaction Procedure  
1-800-263-3777 (English), or 1-800-263-7854 (French).  
Your satisfaction and goodwill are important to your  
dealer and to Chevrolet. Normally, any concerns with the  
sales transaction or the operation of the vehicle will be  
resolved by the dealer’s sales or service departments.  
Sometimes, however, despite the best intentions of all  
concerned, misunderstandings can occur. If your concern  
has not been resolved to your satisfaction, the following  
steps should be taken:  
We encourage you to call the toll-free number in order to  
give your inquiry prompt attention. Have the following  
information available to give the Customer Assistance  
Representative:  
Vehicle Identification Number (VIN). This is available  
from the vehicle registration or title, or the plate at the  
top left of the instrument panel and visible through  
the windshield.  
STEP ONE: Discuss your concern with a member of  
dealership management. Normally, concerns can be  
quickly resolved at that level. If the matter has already  
been reviewed with the sales, service, or parts manager,  
contact the owner of the dealership or the general  
manager.  
Dealership name and location.  
Vehicle delivery date and present mileage.  
When contacting Chevrolet, remember that your  
concern will likely be resolved at a dealer’s facility.  
That is why we suggest following Step One first.  
7-2  
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STEP THREE — U.S. Owners: Both General Motors  
and your dealer are committed to making sure you are  
completely satisfied with your new vehicle. However, if  
you continue to remain unsatisfied after following the  
procedure outlined in Steps One and Two, you can file  
with the Better Business Bureau (BBB) Auto Line  
Program to enforce your rights.  
You may contact the BBB Auto Line Program using the  
toll-free telephone number or write them at the following  
address:  
BBB Auto Line Program  
Council of Better Business Bureaus, Inc.  
4200 Wilson Boulevard  
Suite 800  
Arlington, VA 22203-1838  
The BBB Auto Line Program is an out of court program  
administered by the Council of Better Business Bureaus  
to settle automotive disputes regarding vehicle repairs or  
the interpretation of the New Vehicle Limited Warranty.  
Although you may be required to resort to this informal  
dispute resolution program prior to filing a court action,  
use of the program is free of charge and your case will  
generally be heard within 40 days. If you do not agree  
with the decision given in your case, you may reject it and  
proceed with any other venue for relief available to you.  
Telephone: 1-800-955-5100  
dr.bbb.org/goauto  
This program is available in all 50 states and the District  
of Columbia. Eligibility is limited by vehicle age, mileage,  
and other factors. General Motors reserves the right to  
change eligibility limitations and/or discontinue its  
participation in this program.  
7-3  
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STEP THREE — Canadian Owners: In the event that  
you do not feel your concerns have been addressed  
after following the procedure outlined in Steps 1 and 2,  
General Motors of Canada Limited wants you to be aware  
of its participation in a no-charge Mediation/Arbitration  
Program. General Motors of Canada Limited has  
committed to binding arbitration of owner disputes  
involving factory-related vehicle service claims.  
The program provides for the review of the facts involved  
by an impartial third party arbiter, and may include an  
informal hearing before the arbiter. The program is  
designed so that the entire dispute settlement process,  
from the time you file your complaint to the final decision,  
should be completed in about 70 days. We believe our  
impartial program offers advantages over courts in most  
jurisdictions because it is informal, quick, and free of  
charge.  
For further information concerning eligibility in the  
Canadian Motor Vehicle Arbitration Plan (CAMVAP),  
call toll-free 1-800-207-0685, or call the General Motors  
Customer Communication Centre, 1-800-263-3777  
(English), 1-800-263-7854 (French), or write to:  
The Mediation/Arbitration Program  
c/o Customer Communication Centre  
General Motors of Canada Limited  
Mail Code: CA1-163-005  
1908 Colonel Sam Drive  
Oshawa, Ontario L1H 8P7  
Your inquiry should be accompanied by the Vehicle  
Identification Number (VIN).  
7-4  
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My GM Canada (Canada) — www.gm.ca  
Online Owner Center  
My GM Canada is a password-protected section of  
www.gm.ca where you can save information on  
GM vehicles, get personalized offers, and use handy  
tools and forms with greater ease.  
Online Owner Center (U.S.) —  
www.gmownercenter.com/chevrolet  
Information and services customized for your specific  
vehicle — all in one convenient place.  
Here are a few of the valuable tools and services you  
will have access to:  
Digital owner manual, warranty information,  
and more  
My Showroom: Find and save information on  
vehicles and current offers in your area.  
Online service and maintenance records  
Find Chevrolet dealers for service nationwide  
Exclusive privileges and offers  
My Dealers/Retailers: Save details such as address  
and phone number for each of your preferred  
GM dealers/retailers.  
My Driveway: Access quick links to parts and  
service estimates, check trade-in values, or  
schedule a service appointment by adding the  
vehicles you own to your driveway profile.  
Recall notices for your specific vehicle  
OnStar® and GM Cardmember Services Earnings  
summaries  
Other Helpful Links:  
Chevrolet — www.chevrolet.com  
Chevrolet Merchandise — www.chevymall.com  
Help Center — www.chevrolet.com/helpcenter  
FAQ  
My Preferences: Manage your profile and use tools  
and forms with greater ease.  
To sign up, visit the My GM Canada section within  
www.gm.ca.  
Contact Us  
7-5  
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From Puerto Rico:  
Customer Assistance for Text  
Telephone (TTY) Users  
1-800-496-9992 (English)  
1-800-496-9993 (Spanish)  
From U.S. Virgin Islands:  
1-800-496-9994  
To assist customers who are deaf, hard of hearing, or  
speech-impaired and who use Text Telephones (TTYs),  
Chevrolet has TTY equipment available at its Customer  
Assistance Center. Any TTY user in the U.S. can  
Canada — Customer Assistance  
communicate with Chevrolet by dialing: 1-800-833-CHEV  
(2438). (TTY users in Canada can dial 1-800-263-3830.)  
General Motors of Canada Limited  
Customer Communication Centre, CA1-163-005  
1908 Colonel Sam Drive  
Oshawa, Ontario L1H 8P7  
Customer Assistance Offices  
gmcanada.com  
Chevrolet encourages customers to call the toll-free  
number for assistance. However, if a customer wishes  
to write or e-mail Chevrolet, the letter should be  
addressed to:  
1-800-263-3777 (English)  
1-800-263-7854 (French)  
1-800-263-3830 (For Text Telephone devices (TTYs))  
Roadside Assistance: 1-800-268-6800  
United States — Customer Assistance  
Overseas — Customer Assistance  
Chevrolet Motor Division  
Chevrolet Customer Assistance Center  
P.O. Box 33170  
Please contact the local General Motors Business Unit.  
Detroit, MI 48232-5170  
Chevrolet.com  
1-800-222-1020  
1-800-833-2438 (For Text Telephone devices (TTYs))  
Roadside Assistance: 1-800-CHEV-USA (243-8872)  
7-6  
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The offer is available for a very limited period of time  
from the date of vehicle purchase/lease. For more  
details, or to determine your vehicle’s eligibility, visit  
gmmobility.com or call the GM Mobility Assistance  
Center at 1-800-323-9935. Text telephone (TTY) users,  
call 1-800-833-9935.  
Mexico, Central America and Caribbean  
Islands/Countries (Except Puerto Rico  
and U.S. Virgin Islands) — Customer  
Assistance  
General Motors de Mexico, S. de R.L. de C.V.  
Customer Assistance Center  
Paseo de la Reforma # 2740  
Col. Lomas de Bezares  
C.P. 11910, Mexico, D.F.  
01-800-508-0000  
Long Distance: 011-52-53 29 0 800  
General Motors of Canada also has a Mobility Program.  
Call 1-800-GM-DRIVE (463-7483) for details. TTY users  
call 1-800-263-3830.  
Roadside Assistance Program  
For U.S. purchased vehicles, call 1-800-CHEV-USA  
(1-800-243-8872); (Text telephone (TTY):  
1-888-889-2438).  
GM Mobility Reimbursement  
Program  
For Canadian purchased vehicles, call 1-800-268-6800.  
Service is available 24 hours a day, 365 days a year.  
reimburse you up to $1,000 of the cost of eligible  
aftermarket adaptive equipment required for your vehicle,  
such as hand controls or a wheelchair/scooter lift.  
7-7  
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Calling for Assistance  
Coverage  
When calling Roadside Assistance, have the following  
information ready:  
Services are provided up to 5 years/100,000 miles  
(160 000 km), whichever comes first.  
Your name, home address, and home telephone  
number  
In the U.S., anyone driving the vehicle is covered.  
In Canada, a person driving the vehicle without  
permission from the owner is not covered.  
Telephone number of your location  
Location of the vehicle  
Roadside Assistance is not a part of the New Vehicle  
Limited Warranty. Chevrolet and General Motors of  
Canada Limited reserve the right to make any changes  
or discontinue the Roadside Assistance program at  
any time without notification.  
Model, year, color, and license plate number of the  
vehicle  
Odometer reading, Vehicle Identification  
Number (VIN), and delivery date of the vehicle  
Chevrolet and General Motors of Canada Limited reserve  
the right to limit services or payment to an owner or driver  
if they decide the claims are made too often, or the same  
type of claim is made many times.  
Description of the problem  
7-8  
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Services Provided  
Services Not Included in Roadside  
Assistance  
Emergency Fuel Delivery: Delivery of enough fuel  
for the vehicle to get to the nearest service station.  
Impound towing caused by violation of any laws.  
Legal fines.  
Lock-Out Service: Service is provided to unlock the  
vehicle if you are locked out. A remote unlock may  
be available if you have OnStar®. For security  
reasons, the driver must present identification  
before this service is given.  
Mounting, dismounting or changing of snow tires,  
chains, or other traction devices.  
Towing or services for vehicles driven on a  
non-public road or highway.  
Emergency Tow From a Public Road or Highway:  
Tow to the nearest Chevrolet dealer for warranty  
service, or if the vehicle was in a crash and cannot  
be driven. Assistance is also given when the vehicle  
is stuck in the sand, mud, or snow.  
Services Specific to Canadian  
Purchased Vehicles  
Fuel delivery: Reimbursement is approximately  
$5 Canadian. Diesel fuel delivery may be restricted.  
Propane and other fuels are not provided through  
this service.  
Flat Tire Change: Service is provided to change a  
flat tire with the spare tire. The spare tire, if equipped,  
must be in good condition and properly inflated.  
It is the owner’s responsibility for the repair or  
replacement of the tire if it is not covered by the  
warranty.  
Lock-Out Service: Vehicle registration is required.  
Trip Routing Service: Detailed maps of North  
America are provided when requested either with  
the most direct route or the most scenic route.  
There is a limit of six requests per year.  
Battery Jump Start: Service is provided to jump  
start a dead battery.  
Additional travel information is also available.  
Allow three weeks for delivery.  
7-9  
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Trip Interruption Benefits and Assistance: Must  
be over 250 kilometres from where your trip was  
started to qualify. General Motors of Canada  
Limited requires pre-authorization, original detailed  
receipts, and a copy of the repair orders. Once  
authorization has been received, the Roadside  
Assistance advisor will help you make arrangements  
and explain how to receive payment.  
Scheduling Service Appointments  
When your vehicle requires warranty service, contact  
your dealer/retailer and request an appointment.  
By scheduling a service appointment and advising your  
service consultant of your transportation needs, your  
dealer/retailer can help minimize your inconvenience.  
If your vehicle cannot be scheduled into the service  
department immediately, keep driving it until it can be  
scheduled for service, unless, of course, the problem is  
safety-related. If it is, please call your dealership/retailer,  
let them know this, and ask for instructions.  
Alternative Service: If assistance cannot be  
provided right away, the Roadside Assistance  
advisor may give you permission to get local  
emergency road service. You will receive payment,  
up to $100, after sending the original receipt to  
Roadside Assistance. Mechanical failures may be  
covered, however any cost for parts and labor  
for repairs not covered by the warranty are  
the owner responsibility.  
If the dealer/retailer requests you to bring the vehicle for  
service, you are urged to do so as early in the work  
day as possible to allow for the same day repair.  
7-10  
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Transportation Options  
Courtesy Transportation Program  
Warranty service can generally be completed while you  
wait. However, if you are unable to wait, GM helps  
to minimize your inconvenience by providing several  
transportation options. Depending on the circumstances,  
your dealer can offer you one of the following:  
To enhance your ownership experience, we and our  
participating dealers are proud to offer Courtesy  
Transportation, a customer support program for vehicles  
with the Bumper to Bumper (Base Warranty Coverage  
period in Canada) and extended powertrain, and hybrid  
specific warranty in both the U.S. and Canada.  
Shuttle Service  
Several courtesy transportation options are available to  
assist in reducing your inconvenience when warranty  
repairs are required.  
Shuttle service is the preferred means of offering  
Courtesy Transportation. Dealers may provide you with  
shuttle service to get you to your destination with minimal  
interruption of your daily schedule. This includes one-way  
or round trip shuttle service within reasonable time and  
distance parameters of the dealer’s area.  
Courtesy Transportation is not a part of the New Vehicle  
Limited Warranty. A separate booklet entitled “Warranty  
and Owner Assistance Information” furnished with  
each new vehicle provides detailed warranty coverage  
information.  
Public Transportation or Fuel  
Reimbursement  
If your vehicle requires overnight warranty repairs, and  
public transportation is used instead of the dealer’s  
shuttle service, the expense must be supported by  
original receipts and can only be up to the maximum  
amount allowed by GM for shuttle service. In addition, for  
U.S. customers, should you arrange transportation  
through a friend or relative, limited reimbursement for  
reasonable fuel expenses may be available. Claim  
amounts should reflect actual costs and be supported  
by original receipts. See your dealer for information  
regarding the allowance amounts for reimbursement of  
fuel or other transportation costs.  
7-11  
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Courtesy Rental Vehicle  
Collision Damage Repair  
Your dealer may arrange to provide you with a courtesy  
rental vehicle or reimburse you for a rental vehicle that  
you obtain if your vehicle is kept for an overnight warranty  
repair. Rental reimbursement will be limited and must  
be supported by original receipts. This requires that you  
sign and complete a rental agreement and meet state/  
provincial, local, and rental vehicle provider requirements.  
Requirements vary and may include minimum age  
requirements, insurance coverage, credit card, etc.  
You are responsible for fuel usage charges and may also  
be responsible for taxes, levies, usage fees, excessive  
mileage, or rental usage beyond the completion of the  
repair.  
If your vehicle is involved in a collision and it is damaged,  
have the damage repaired by a qualified technician using  
the proper equipment and quality replacement parts.  
Poorly performed collision repairs diminish your vehicle’s  
resale value, and safety performance can be  
compromised in subsequent collisions.  
Collision Parts  
Genuine GM Collision parts are new parts made with the  
same materials and construction methods as the parts  
with which your vehicle was originally built. Genuine GM  
Collision parts are your best choice to ensure that your  
vehicle’s designed appearance, durability, and safety are  
preserved. The use of Genuine GM parts can help  
maintain your GM New Vehicle Warranty.  
It may not be possible to provide a like-vehicle as a  
courtesy rental.  
Additional Program Information  
Recycled original equipment parts may also be used for  
repair. These parts are typically removed from vehicles  
that were total losses in prior crashes. In most cases, the  
parts being recycled are from undamaged sections of the  
vehicle. A recycled original equipment GM part, may be  
an acceptable choice to maintain your vehicle’s originally  
designed appearance and safety performance, however,  
the history of these parts is not known. Such parts are not  
covered by your GM New Vehicle Limited Warranty, and  
any related failures are not covered by that warranty.  
All program options, such as shuttle service, may not be  
available at every dealer. Please contact your dealer  
for specific information about availability. All Courtesy  
Transportation arrangements will be administered  
by appropriate dealer personnel.  
General Motors reserves the right to unilaterally modify,  
change or discontinue Courtesy Transportation at any  
time and to resolve all questions of claim eligibility  
pursuant to the terms and conditions described herein  
at its sole discretion.  
7-12  
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Aftermarket collision parts are also available. These are  
made by companies other than GM and may not have  
been tested for your vehicle. As a result, these parts may  
fit poorly, exhibit premature durability/corrosion problems,  
and may not perform properly in subsequent collisions.  
Aftermarket parts are not covered by your GM New  
Vehicle Limited Warranty, and any vehicle failure related  
to such parts are not covered by that warranty.  
Insuring Your Vehicle  
Protect your investment in your GM vehicle with  
comprehensive and collision insurance coverage.  
There are significant differences in the quality of  
coverage afforded by various insurance policy terms.  
Many insurance policies provide reduced protection  
to your GM vehicle by limiting compensation for damage  
repairs by using aftermarket collision parts. Some  
insurance companies will not specify aftermarket  
collision parts. When purchasing insurance, we  
recommend that you assure your vehicle will be repaired  
with GM original equipment collision parts. If such  
insurance coverage is not available from your current  
insurance carrier, consider switching to another  
insurance carrier.  
Repair Facility  
We recommend that you choose a collision repair  
facility that meets your needs before you ever need  
collision repairs. Your dealer/retailer may have a  
collision repair center with GM-trained technicians and  
state of the art equipment, or be able to recommend  
a collision repair center that has GM-trained technicians  
and comparable equipment.  
If your vehicle is leased, the leasing company may  
require you to have insurance that assures repairs with  
Genuine GM Original Equipment Manufacturer (OEM)  
parts or Genuine Manufacturer replacement parts.  
Read your lease carefully, as you may be charged at  
the end of your lease for poor quality repairs.  
7-13  
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Gather the important information you will need from  
the other driver. Things like name, address, phone  
number, driver’s license number, vehicle license  
plate, vehicle make, model and model year, Vehicle  
Identification Number (VIN), insurance company and  
policy number, and a general description of the  
damage to the other vehicle.  
If a Crash Occurs  
Here is what to do if you are involved in a crash.  
Check to make sure that you are all right. If you are  
uninjured, make sure that no one else in your  
vehicle, or the other vehicle, is injured.  
If there has been an injury, call emergency services  
for help. Do not leave the scene of a crash until all  
matters have been taken care of. Move your vehicle  
only if its position puts you in danger or you are  
instructed to move it by a police officer.  
If possible, call your insurance company from the  
scene of the crash. They will walk you through the  
information they will need. If they ask for a police  
report, phone or go to the police department  
headquarters the next day and you can get a copy of  
the report for a nominal fee. In some states/provinces  
with “no fault” insurance laws, a report may not be  
necessary. This is especially true if there are no  
injuries and both vehicles are driveable.  
Give only the necessary and requested information  
to police and other parties involved in the crash.  
Do not discuss your personal condition, mental  
frame of mind, or anything unrelated to the crash.  
This will help guard against post-crash legal action.  
Choose a reputable collision repair facility for your  
vehicle. Whether you select a dealer/retailer or a  
private collision repair facility to fix the damage,  
make sure you are comfortable with them.  
Remember, you will have to feel comfortable with  
their work for a long time.  
If you need roadside assistance, call GM Roadside  
Assistance. See Roadside Assistance Program on  
page 7-7 for more information.  
If your vehicle cannot be driven, know where the  
towing service will be taking it. Get a card from the  
tow truck operator or write down the driver’s name,  
the service’s name, and the phone number.  
Once you have an estimate, read it carefully and  
make sure you understand what work will be  
performed on your vehicle. If you have a question,  
ask for an explanation. Reputable shops welcome  
this opportunity.  
Remove any valuables from your vehicle before it is  
towed away. Make sure this includes your insurance  
information and registration if you keep these items  
in your vehicle.  
7-14  
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Managing the Vehicle Damage Repair  
Process  
Reporting Safety Defects  
Reporting Safety Defects to the  
United States Government  
In the event that your vehicle requires damage repairs,  
GM recommends that you take an active role in its repair.  
If you have a pre-determined repair facility of choice, take  
your vehicle there, or have it towed there. Specify to the  
facility that any required replacement collision parts be  
original equipment parts, either new Genuine GM parts or  
recycled original GM parts. Remember, recycled parts  
will not be covered by your GM vehicle warranty.  
If you believe that your vehicle has a defect which  
could cause a crash or could cause injury or  
death, you should immediately inform the National  
Highway Traffic Safety Administration (NHTSA)  
in addition to notifying General Motors.  
Insurance pays the bill for the repair, but you must  
live with the repair. Depending on your policy limits,  
your insurance company may initially value the repair  
using aftermarket parts. Discuss this with your repair  
professional, and insist on Genuine GM parts. Remember  
if your vehicle is leased you may be obligated to have the  
vehicle repaired with Genuine GM parts, even if your  
insurance coverage does not pay the full cost.  
If NHTSA receives similar complaints, it may open  
an investigation, and if it finds that a safety defect  
exists in a group of vehicles, it may order a recall  
and remedy campaign. However, NHTSA cannot  
become involved in individual problems between  
you, your dealer/retailer, or General Motors.  
To contact NHTSA, you may call the Vehicle  
Safety Hotline toll-free at 1-888-327-4236  
(TTY: 1-800-424-9153); go to safercar.gov;  
or write to:  
If another party’s insurance company is paying for  
the repairs, you are not obligated to accept a repair  
valuation based on that insurance company’s collision  
policy repair limits, as you have no contractual limits with  
that company. In such cases, you can have control of  
the repair and parts choices as long as cost stays within  
reasonable limits.  
Administrator, NHTSA  
1200 New Jersey Avenue, S.E.  
Washington D.C., 20590  
You can also obtain other information about motor  
vehicle safety from safercar.gov.  
7-15  
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Reporting Safety Defects to the  
Canadian Government  
Service Publications Ordering  
Information  
If you live in Canada, and you believe that your  
Service Manuals  
vehicle has a safety defect, notify Transport Canada  
immediately, in addition to notifying General Motors of  
Canada Limited. Call them at 1-800-333-0510 or write to:  
Service Manuals have the diagnosis and repair  
information on engines, transmission, axle suspension,  
brakes, electrical, steering, body, etc.  
Transport Canada  
Road Safety Branch  
2780 Sheffield Road  
Ottawa, Ontario K1B 3V9  
Service Bulletins  
Service Bulletins give additional technical service  
information needed to knowledgeably service General  
Motors cars and trucks. Each bulletin contains  
instructions to assist in the diagnosis and service of  
your vehicle.  
Reporting Safety Defects to  
General Motors  
In addition to notifying NHTSA (or Transport Canada) in  
a situation like this, please notify General Motors.  
Owner Information  
Owner publications are written specifically for owners  
and intended to provide basic operational information  
about the vehicle. The owner manual includes the  
Maintenance Schedule for all models.  
Call 1-800-222-1020, or write:  
Chevrolet Motor Division  
Chevrolet Customer Assistance Center  
P.O. Box 33170  
Detroit, MI 48232-5170  
In-Portfolio: Includes a Portfolio, Owner Manual, and  
Warranty Booklet.  
In Canada, call 1-800-263-3777 (English) or  
1-800-263-7854 (French), or write:  
RETAIL SELL PRICE: $35.00 (U.S.) plus processing fee  
Without Portfolio: Owner Manual only.  
General Motors of Canada Limited  
Customer Communication Centre, CA1-163-005  
1908 Colonel Sam Drive  
RETAIL SELL PRICE: $25.00 (U.S.) plus processing fee  
Oshawa, Ontario L1H 8P7  
7-16  
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Current and Past Model Order Forms  
Vehicle Data Recording and  
Privacy  
Technical Service Bulletins and Manuals are available  
for current and past model GM vehicles. To request  
an order form, specify year and model name of  
the vehicle.  
Your GM vehicle has a number of sophisticated  
computers that record information about the vehicle’s  
performance and how it is driven. For example,  
your vehicle uses computer modules to monitor and  
control engine and transmission performance, to monitor  
the conditions for airbag deployment and deploy  
airbags in a crash and, if so equipped, to provide  
antilock braking to help the driver control the vehicle.  
These modules may store data to help your  
dealer/retailer technician service your vehicle. Some  
modules may also store data about how you operate the  
vehicle, such as rate of fuel consumption or average  
speed. These modules may also retain the owner’s  
personal preferences, such as radio pre-sets, seat  
positions, and temperature settings.  
ORDER TOLL FREE: 1-800-551-4123  
Monday-Friday 8:00 AM - 6:00 PM  
Eastern Time  
For Credit Card Orders Only  
(VISA-MasterCard-Discover), visit Helm, Inc.  
on the World Wide Web at: helminc.com  
Or you can write to:  
Helm, Incorporated  
P.O. Box 07130  
Detroit, MI 48207  
Prices are subject to change without notice and without  
incurring obligation. Allow ample time for delivery.  
Note to Canadian Customers: All listed prices are  
quoted in U.S. funds. Canadian residents are to make  
checks payable in U.S. funds.  
7-17  
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Important: EDR data is recorded by your vehicle only  
if a non-trivial crash situation occurs; no data is recorded  
by the EDR under normal driving conditions and no  
personal data (e.g., name, gender, age, and crash  
location) is recorded. However, other parties, such as  
law enforcement, could combine the EDR data with the  
type of personally identifying data routinely acquired  
during a crash investigation.  
Event Data Recorders  
This vehicle has an Event Data Recorder (EDR). The  
main purpose of an EDR is to record, in certain crash or  
near crash-like situations, such as an airbag deployment  
or hitting a road obstacle, data that will assist in  
understanding how a vehicle’s systems performed.  
The EDR is designed to record data related to vehicle  
dynamics and safety systems for a short period of time,  
typically 30 seconds or less. The EDR in this vehicle  
is designed to record such data as:  
To read data recorded by an EDR, special equipment is  
required, and access to the vehicle or the EDR is needed.  
In addition to the vehicle manufacturer, other parties,  
such as law enforcement, that have the special  
equipment, can read the information if they have  
access to the vehicle or the EDR.  
How various systems in your vehicle were operating  
Whether or not the driver and passenger safety  
belts were buckled/fastened  
GM will not access this data or share it with others  
except: with the consent of the vehicle owner or, if the  
vehicle is leased, with the consent of the lessee; in  
response to an official request of police or similar  
government office; as part of GM’s defense of litigation  
through the discovery process; or, as required by law.  
Data that GM collects or receives may also be used for  
GM research needs or may be made available to others  
for research purposes, where a need is shown and the  
data is not tied to a specific vehicle or vehicle owner.  
How far, if at all, the driver was pressing the  
accelerator and/or brake pedal  
How fast the vehicle was traveling  
This data can help provide a better understanding of the  
circumstances in which crashes and injuries occur.  
7-18  
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OnStar®  
Radio Frequency  
Identification (RFID)  
If your vehicle has OnStar and you subscribe to the  
OnStar services, please refer to the OnStar Terms and  
Conditions for information on data collection and use.  
See also OnStar® System on page 2-41 in this manual for  
more information.  
RFID technology is used in some vehicles for functions  
such as tire pressure monitoring and ignition system  
security, as well as in connection with conveniences  
such as key fobs for remote door locking/unlocking and  
starting, and in-vehicle transmitters for garage door  
openers. RFID technology in GM vehicles does not use  
or record personal information or link with any other  
GM system containing personal information.  
Navigation System  
If your vehicle has a navigation system, use of the  
system may result in the storage of destinations,  
addresses, telephone numbers, and other trip  
information. Refer to the navigation system operating  
manual for information on stored data and for deletion  
instructions.  
7-19  
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NOTES  
7-20  
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1
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Bluetooth® ..................................................... 3-97  
2
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Cleaning (cont.)  
3
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4
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E
5
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6
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High-Speed Operation, Tires ............................. 5-72  
Twilight Sentinel® ........................................ 3-17  
7
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8
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Maintenance Schedule (cont.)  
OnStar® System, see OnStar® Manual ............... 2-41  
9
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P
Bluetooth® .................................................. 3-97  
10  
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11  
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12  
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Tires (cont.)  
Twilight Sentinel® ............................................ 3-17  
13  
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Windshield (cont.)  
W
Warning Lights, Gages, and Indicators ............... 3-32  
14  
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