Service............................................................5-3
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside of Your
Vehicle......................................................5-5
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Speci cations....................................5-6
California Fuel...............................................5-6
Additives.......................................................5-7
Fuels in Foreign Countries...............................5-7
Filling Your Tank............................................5-8
Filling a Portable Fuel Container.....................5-10
Checking Things Under the Hood....................5-10
Hood Release..............................................5-11
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-15
Engine Air Cleaner/Filter................................5-22
Automatic Transmission Fluid.........................5-24
Engine Coolant.............................................5-25
Coolant Surge Tank Pressure Cap..................5-28
Engine Overheating.......................................5-28
Cooling System............................................5-31
Power Steering Fluid.....................................5-37
Windshield Washer Fluid................................5-38Brakes........................................................5-40
Battery........................................................5-43
Jump Starting...............................................5-44
All-Wheel Drive..............................................5-51
Rear Axle.......................................................5-52
Front Axle......................................................5-53
Bulb Replacement..........................................5-54
High Intensity Discharge (HID) Lighting............5-54
Halogen Bulbs..............................................5-54
Headlamps, Sidemarker, and Parking Lamps......5-55
Front Turn Signal and Fog Lamps...................5-56
Sidemarker Lamps........................................5-57
Center High-Mounted Stoplamp (CHMSL).........5-57
Taillamps, Turn Signal, Stoplamps and
Sidemarker Lamps.....................................5-57
Back-Up and License Plate Lamps..................5-57
Replacement Bulbs.......................................5-58
Windshield Wiper Blade Replacement..............5-59
Tires..............................................................5-61
In ation - Tire Pressure.................................5-68
Tire Pressure Monitor System.........................5-69
Tire Inspection and Rotation...........................5-71
When It Is Time for New Tires.......................5-72
Section 5 Service and Appearance Care
5-1
5. Replace the lower outboard plastic snap-in retainer
in the fender bracket, if needed.
6. Reconnect the electrical harness at the back side of
the headlamp assembly.
7. Push the headlamp assembly straight into the
vehicle engaging the headlamp pin into the
snap-in retainer and adjusting the lamp inboard side
to clear past the front fascia.
8. Reinstall the two fasteners on top of the headlamp
assembly.
9. Reinstall the screw at the lower inboard side of the
headlamp assembly through the hole in the bracket
into the headlamp.
10. Reinstall the fasteners along the top surface of the
front fascia.
To replace the sidemarker and/or parking lamp bulb(s),
do the following:
1. Turn the bulb socket counterclockwise to remove it
from the assembly.
2. Replace the bulb. SeeReplacement Bulbs on
page 5-58for the proper bulb number.
3. To reinstall the headlamp assembly, reverse
Steps 5 through 10 of the procedure listed
previously.Front Turn Signal and Fog Lamps
To replace the front turn signal and/or fog lamp bulb(s),
do the following:
1. Remove the protection shield located on the
underside of the front of the vehicle by pulling
out the push-pins located on the underside of the
shield. If you are replacing a bulb on the
passenger’s side, also use a tool to remove the
fasteners that attach the front fascia extension panel
in the wheelhouse.
2. Remove the two screws located on the inboard side
and bottom of the lamp assembly that attach the
lamp assembly to the front fascia.
3. Remove the lamp assembly from the front fascia by
rotating the lamp assembly rearward to disengage
the outboard hooks of the lamp from the slots
in the front fascia.
4. Disconnect the electrical harness connector from
the back side of the lamp assembly.
5. Remove the six Torx
®screws located on the
access cap.
6. If you are replacing the fog lamp bulb, disconnect
the electrical connector from the back of the bulb
socket.
5-56
7. Turn the bulb socket one-quarter turn
counterclockwise to remove it from the assembly.
8. Replace the bulb. SeeReplacement Bulbs on
page 5-58for the proper bulb number.
9. Reverse Steps 1 through 7 to reinstall the bulb
socket and access cap.
Sidemarker Lamps
This procedure is for replacing the sidemarker bulb only.
If you need to replace the parking lamp bulb or
halogen headlamp as well, seeHeadlamps, Sidemarker,
and Parking Lamps on page 5-55.
1. Use a tool to remove the fasteners that attach the
front fascia extension panel in the wheelhouse.
2. Reach forward past the wheelhouse to the front
sidemarker socket in the outboard side of the
headlamp assembly.
3. Rotate the front sidemarker socket one-eighth turn
counterclockwise to remove it.
4. Replace the bulb. SeeReplacement Bulbs on
page 5-58for the proper bulb number.
5. Reinstall the socket to the headlamp assembly.
6. Replace the fasteners that attach the front fascia
extension panel in the wheelhouse.
Center High-Mounted Stoplamp
(CHMSL)
It is recommended that this component be replaced as
a unit. See your dealer.
Taillamps, Turn Signal, Stoplamps
and Sidemarker Lamps
It is recommended that this component be replaced as
a unit. See your dealer.
Back-Up and License Plate Lamps
To replace the back-up and/or license plate lamps, use
the following procedure:
1. Open the liftgate.
2. Remove the liftgate trim panel on the interior of the
liftgate by pulling the trim panel snap-in fasteners
out of the retainers and also by using a tool to
remove the screw on the bottom right side of the
trim panel.
3. Disconnect the courtesy lamp electrical connector
on the trim panel.
4. Use a tool to remove the ve nuts on the back of
the license plate applique assembly.
5-57
5. Remove the license plate applique assembly from
the liftgate by pulling the assembly rearward to
disengage the two snap-in retainer clips at the back
of the license plate applique assembly near the
liftgate panel.
6. For the back-up lamp, turn the bulb socket
one-quarter turn counterclockwise to remove.
For the license lamp, slide the license lamp
assembly out of the license plate applique
assembly, and turn the bulb socket one-quarter turn
counterclockwise to remove.
7. Replace the bulb. SeeReplacement Bulbs on
page 5-58for the proper bulb number.
8. Reverse Steps 1 through 6 to reinstall the license
plate applique assembly.Replacement Bulbs
For any bulb not listed here contact your dealer.
Exterior Lamp Bulb Number
Back-Up Lamp 3157KX
Fog Lamp 9145
Front Sidemarker W5WLL
Front Turn Signal Lamp/DRLGM Part
No. 10319395
Headlamp High-Beam 9005XS LL
Headlamp Low-Beam 9006XS LL
Parking Lamp
With Halogen Low Beam W5WLL
With HID Low Beam W5W B50X2
5-58
Fuses Usage
FLASHER Turn Signal/Hazard Flasher Module
V8 ECM V8 ECM, Canister Purge
STRG CTLSSteering Wheel Control Pad,
Headlamp Switch
STARTER RLY Jumper to Starter Relay
WASH NOZDriver’s and Passenger’s Side
Heated Washer Nozzles
ODD COILSOdd Ignition Coils, Fuel Injectors,
Odd Injection Coils
TCM/IPCTCM, ECM and IPC
(Instrument Panel Cluster)
SPARE Not Used
ABS Anti-Lock Brake System
VICSVehicle Information and
Communication System
SPARE Not Used
SPARE Not Used
IGN SWIgnition Switch (Power to IGN-3
and CRANK)
VOLT CHECK DIM
ECM/TCMECM, TCM, IPC,
PASS-Key
®III+ Module
Fuses Usage
WPR MOD Windshield Wiper Module Assembly
POSTO2 Post O2 Sensors
COMP CLUTCH Compressor Clutch
WPR SW Windshield Wiper/Washer Switch
FOG LAMP Fog Lamps
OUTLETCenter Console Accessory Power
Outlet
EVEN COILS Even Injection Coils
I/P OUTLETInstrument Panel Accessory Power
Outlet
CCP Climate Control
PREO2/CAMDriver’s and Passenger’s Side
Oxygen Sensors, CAM Phaser
SPARE Not Used
SPARE Not Used
SPARE Not Used
Circuit
BreakersUsage
HDLP WASH
C/B-OPTHeadlamp Washer Motor (Optional)
5-106
Audio System(s).............................................3-93
Audio Steering Wheel Controls....................3-124
Care of Your CD and DVD Player................3-126
Care of Your CDs and DVDs.......................3-126
Diversity Antenna System............................3-126
Navigation/Radio System.............................3-110
Radio with CD............................................3-94
Setting the Time..........................................3-93
Theft-Deterrent Feature...............................3-123
Understanding Radio Reception...................3-125
XM™ Satellite Radio Antenna System...........3-127
Automatic Transmission
Fluid..........................................................5-24
Operation...................................................2-25
B
Backing Up....................................................4-56
Battery..........................................................5-43
Battery Replacement......................................... 2-7
Battery Saver Active........................................3-64
Battery Voltage High.......................................3-64
Battery Voltage Low........................................3-65
Before Leaving on a Long Trip.........................4-37
Before You Drive...........................................3-110
Before You Go Off-Roading..............................4-17Brake
Panic Assist................................................4-11
Parking......................................................2-29
System Warning Light..................................3-41
Brake Adjustment............................................5-43
Brake Fluid....................................................5-40
Brake Pedal, Throttle.......................................2-23
Brake Pedal Travel.........................................5-43
Brake Wear...................................................5-42
Brakes..........................................................5-40
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-9
Break-In, New Vehicle.....................................2-20
Bulb Replacement...........................................5-54
Back-Up and License Plate Lamps.................5-57
Center High-Mounted Stoplamp (CHMSL)........5-57
Front Turn Signal and Fog Lamps..................5-56
Halogen Bulbs............................................5-54
Headlamps, Sidemarker, and Parking Lamps.....5-55
High Intensity Discharge (HID) Lighting...........5-54
Replacement Bulbs......................................5-58
Sidemarker Lamps.......................................5-57
Taillamps, Turn Signal, Stoplamps and
Sidemarker Lamps...................................5-57
Buying New Tires...........................................5-72
2
FM Stereo....................................................3-125
Fog Lamp Light..............................................3-49
Fog Lamps....................................................3-11
Following Distance..........................................4-56
Front Axle......................................................5-53
Fuel............................................................... 5-5
Additives...................................................... 5-7
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-50
Gasoline Octane........................................... 5-5
Gasoline Speci cations.................................. 5-6
Fuel Level Low...............................................3-68
Fuses
Fuses and Circuit Breakers.........................5-103
Windshield Wiper.......................................5-102
G
Gage
Engine Coolant Temperature.........................3-43
Fuel..........................................................3-50
Speedometer..............................................3-37
Tachometer.................................................3-38
Garage Door Opener.......................................2-41Garment Hooks..............................................2-46
Gasoline
Octane........................................................ 5-5
Speci cations............................................... 5-6
Gate Operator and Canadian Programming........2-44
Getting Familiar with Off-Road Driving................4-19
Glove Box.....................................................2-45
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-6
Headlamp High/Low-Beam Changer.................... 3-9
Headlamp Washers.........................................3-17
Headlamps............................................3-10, 3-18
Bulb Replacement.......................................5-54
Front Turn Signal and Fog Lamps..................5-56
Halogen Bulbs............................................5-54
Headlamps, Sidemarker, and
Parking Lamps.........................................5-55
High Intensity Discharge (HID) Lighting...........5-54
Sidemarker Lamps.......................................5-57
Headlamps Suggested.....................................3-68
Headphones.................................................3-111
Heated Seats................................................... 1-3
7
Steering Column Ignition Lock Release..............2-22
Steering in Emergencies..................................4-13
Steering Tips..................................................4-12
Steering Wheel Controls, Audio.......................3-124
Steering Wheel, Tilt Wheel................................. 3-7
Stereo RCA Jacks.........................................3-112
Storage
Garment Hooks...........................................2-46
Storage Areas
Cargo Management System..........................2-48
Cell Phone Storage Area..............................2-45
Center Console Storage Area........................2-46
Convenience Net.........................................2-47
Cupholder(s)...............................................2-45
Glove Box..................................................2-45
Luggage Carrier..........................................2-46
Map Pocket................................................2-46
Storing the Flat Tire and Tools..........................5-89
Storing the Spare Tire and Tools.......................5-91
Stowable Seat.................................................. 1-8
Stuck in Sand, Mud, Ice or Snow......................4-44
Sun Visors.....................................................2-16
Sunroof.................................................2-48, 2-50
System Controls, DIC......................................3-51T
Tachometer....................................................3-38
Taillamps
Turn Signal, Stoplamps and
Sidemarker Lamps...................................5-57
TCS Warning Light..........................................3-42
Testing the Alarm............................................2-18
Theft Attempted..............................................3-72
Theft-Deterrent, Radio....................................3-123
Theft-Deterrent System....................................2-17
Theft-Deterrent Systems...................................2-17
Immobilizer.................................................2-18
Immobilizer Operation...................................2-19
Throttle, Adjustable..........................................2-23
Tilt Wheel........................................................ 3-7
Tire
Pressure Light.............................................3-44
Tire Sidewall Labeling......................................5-62
Tire Size.......................................................5-65
Tire Terminology and De nitions........................5-65
Tires.............................................................5-61
Buying New Tires........................................5-72
Chains.......................................................5-77
Changing a Flat Tire....................................5-79
Compact Spare Tire.....................................5-93
15