
Fuses Usage
4WSVent Solenoid
Canister/Quadrasteer
Module Power
RR HVAC Not Used
AUX PWRAuxiliary Power
Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
IGN EInstrument Panel Cluster, Air
Conditioning Relay, Turn
Signal/Hazard Switch,
Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM BPowertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock
Control System
RR DEFOG Rear Window DefoggerFuses Usage
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
02B Oxygen Sensors
SIRSupplemental In atable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRLDaytime Running
Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DICInstrument Panel Cluster/
Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
5-130

Maintenance Footnotes
†The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle’s useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded.
#Lubricate the front suspension, ball joints, steering
linkage, transmission shift linkage and parking
brake cable guides. Ball joints should not be lubricated
unless their temperature is 10°F (-12°C) or higher,
or they could be damaged. Vehicles used under severe
commercial operating conditions require lubrication
on a regular basis every 3,000 miles (5 000 km).
(a)Visually inspect brake lines and hoses for proper
hook-up, binding, leaks, cracks, cha ng, etc. Inspect
disc brake pads for wear and rotors for surface
condition. Inspect other brake parts, including calipers,
parking brake, etc.
(b)Visually inspect front and rear suspension and
steering system for damaged, loose or missing parts,
signs of wear or lack of lubrication. Inspect power
steering lines and hoses for proper hook-up, binding,
leaks, cracks, cha ng, etc. Visually check constant
velocity joints, rubber boots and axle seals for leaks.(c)Visually inspect hoses and have them replaced if
they are cracked, swollen or deteriorated. Inspect all
pipes, ttings and clamps; replace with genuine GM 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.
(d)Visually inspect wiper blades for wear or cracking.
Replace blade inserts that appear worn or damaged
or that streak or miss areas of the windshield.
(e)Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages
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 look for any opened or broken air bag
coverings, and have them repaired or replaced. (The air
bag system does not need regular maintenance.)
(f)Lubricate all key lock cylinders, body door hinges,
hood latch assembly, secondary latch, pivots, spring
anchor, release pawl, tailgate hinges, tailgatelinkage,
tailgate handle pivot points, latch bolt, fuel door
hinge, locks and 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.
6-8

A
Accessory Power Outlets.................................3-19
Adding a Snow Plow or Similar Equipment.........4-63
Adding Washer Fluid.......................................5-48
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-7
Add-On Electrical Equipment...........................5-123
Add-On Equipment..........................................4-62
Adjusting the Speakers
(Balance/Fade)..................3-75, 3-79, 3-90, 3-104
After Off-Road Driving.....................................4-35
Air Bag
Off Light.....................................................3-37
Passenger Status Indicator...........................3-40
Readiness Light..........................................3-36
Air Bag Systems.............................................1-67
Adding Equipment to Your Air Bag-Equipped
Vehicle...................................................1-83
Air Bag Off Switch.......................................1-73
How Does an Air Bag Restrain?....................1-71
Passenger Sensing System...........................1-78
Servicing Your Air Bag-Equipped Vehicle.........1-83
What Makes an Air Bag In ate?....................1-71
What Will You See After an Air Bag In ates?......1-72
When Should an Air Bag In ate?...................1-70
Where Are the Air Bags?..............................1-68
Air Cleaner/Filter, Engine.................................5-25
Air Conditioning..............................................3-30
Airbag Sensing and Diagnostic Module (SDM)...... 7-9All-Wheel Drive...............................................5-58
All-Wheel Drive (AWD) System.........................2-48
AM .............................................................3-128
AM-FM Radio.................................................3-73
Antenna, Fixed Mast......................................3-130
Antenna, XM™ Satellite Radio
Antenna System........................................3-130
Anti-lock Brake System..................................... 4-6
Anti-Lock Brake, System Warning Light..............3-44
Appearance Care..........................................5-114
Care of Safety Belts...................................5-117
Chemical Paint Spotting..............................5-120
Cleaning the Inside of Your Vehicle..............5-114
Cleaning the Outside of Your Vehicle............5-117
Finish Damage..........................................5-120
Sheet Metal Damage..................................5-120
Underbody Maintenance.............................5-120
Vehicle Care/Appearance Materials...............5-121
Weatherstrips............................................5-117
Approaching a Hill..........................................4-28
Ashtrays........................................................3-20
Audio Output................................................3-116
Audio System(s).............................................3-72
AM-FM Radio.............................................3-73
Audio Steering Wheel Controls....................3-127
Care of Your Cassette Tape Player...............3-129
Care of Your CD and DVD Player................3-130
Care of Your CDs and DVDs.......................3-130
Chime Level Adjustment.............................3-130
Fixed Mast Antenna...................................3-130
1

Audio System(s) (cont.)
Radio with Cassette and CD.........................3-86
Radio with CD............................................3-76
Radio with Six-Disc CD..............................3-100
Rear Seat Audio (RSA)...............................3-125
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-73
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-72
Theft-Deterrent Feature...............................3-127
Understanding Radio Reception...................3-128
XM™ Satellite Radio Antenna System...........3-130
Automatic Dimming Mirror Operation..........2-56, 2-58
Automatic Headlamp System............................3-14
Automatic Transfer Case..................................2-40
Automatic Transmission...................2-24, 2-49, 2-51
Fluid..................................................5-27, 5-30
Operation...................................................2-27
Auxiliary Battery............................................4-100
Auxiliary Roof Mounted Lamp Switch.................3-17
B
Backing Up....................................................4-92
Battery..........................................................5-52
BATTERY NOT CHARGING.............................3-64
Battery Replacement......................................... 2-6
Battery Run-Down Protection............................3-19
Battery Warning Light......................................3-42Before Leaving on a Long Trip.........................4-42
Before You Drive...........................................3-114
Before You Go Off-Roading..............................4-23
Brake
Parking......................................................2-48
System Warning Light..................................3-43
Brake Adjustment............................................5-51
Brake Fluid....................................................5-49
Brake Pedal Travel.........................................5-51
Brake Wear...................................................5-51
Brakes..........................................................5-49
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-22
BUCKLE PASSENGER....................................3-65
BUCKLE SEATBELT.......................................3-65
Bulb Replacement...........................................5-63
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp............................................5-68
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-65
Halogen Bulbs............................................5-63
Headlamps.................................................5-63
Pickup Box Identi cation and Fender
Marker Lamps.........................................5-69
Replacement Bulbs......................................5-72
Roof Marker Lamps.....................................5-66
Taillamps....................................................5-70
Buying New Tires...........................................5-86
2

C
California Fuel.................................................. 5-6
Canada – Customer Assistance.......................... 7-5
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Speci cations..........................5-132
Car Washes for QUADRASTEER™
Equipped Vehicles.......................................4-17
Carbon Monoxide...................2-15, 2-53, 4-46, 4-70
Care of
Safety Belts..............................................5-117
Your Cassette Tape Player..........................3-129
Your CD and DVD Player...........................3-130
Your CDs and DVDs..................................3-130
Cargo Lamp...................................................3-17
CARGO LAMP ON.........................................3-65
Cassette Tape Messages.................................3-97
CD Adapter Kits.............................................3-97
CD Messages...............................3-86, 3-99, 3-113
Center Console Storage Area...........................2-68
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp...............................................5-68
Center Instrument Panel Fuse Block................5-126
Center Passenger Position, Safety Belts.............1-24
Chains, Tires..................................................5-91
CHANGE ENGINE OIL....................................3-66
Check Engine Light.........................................3-48
CHECK OIL LEVEL.........................................3-65CHECK WASHER FLUID.................................3-65
Checking Brake Fluid......................................5-50
Checking Coolant............................................5-36
Checking Engine Oil........................................5-20
Checking Things Under the Hood......................5-12
Chemical Paint Spotting.................................5-120
Child Restraints
Child Restraint Systems...............................1-38
Infants and Young Children...........................1-34
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-47
Older Children.............................................1-32
Securing a Child Restraint Designed for the
LATCH System................................1-48, 1-49
Securing a Child Restraint in a Center Rear
Seat Position...........................................1-56
Securing a Child Restraint in a Rear Outside
Seat Position...........................................1-53
Securing a Child Restraint in the Center Front
Seat Position...........................................1-58
Securing a Child Restraint in the Right Front
Seat Position (Crew Cab)..........................1-58
Securing a Child Restraint in the Right
Front Seat Position (Regular and
Extended Cab).........................................1-61
Top Strap...................................................1-42
Top Strap Anchor Location............................1-43
Where to Put the Restraint...........................1-41
3

J
Jump Starting.................................................5-53
K
Key Release Button (Manual Transmission)........2-24
KEYFOB X BATTERY LOW.............................3-66
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps
Exterior......................................................3-13
Interior.......................................................3-18
Lamps On Reminder.......................................3-15
Lap Belt........................................................1-25
Lap-Shoulder Belt...........................................1-16
LATCH System
Child Restraints...........................................1-47
Securing a Child Restraint Designed for the
LATCH System................................1-48, 1-49
Latches, Seatback............................................ 1-8
Leaving Your Vehicle With the Engine Running
(Automatic Transmission)..............................2-50
LEFT REAR DOOR AJAR (Crew Cab)...............3-67Light
Air Bag Off .................................................3-37
Air Bag Readiness.......................................3-36
Anti-Lock Brake System Warning...................3-44
Battery Warning..........................................3-42
Brake System Warning.................................3-43
Cruise Control.............................................3-51
Four-Wheel-Drive.........................................3-51
Low Fuel Warning.......................................3-53
Malfunction Indicator....................................3-48
Passenger Air Bag Status Indicator................3-40
Safety Belt Reminder...................................3-36
Tow/Haul Mode...........................................3-52
Traction Off................................................3-45
Up-Shift.....................................................3-43
Listening to a DVD..............................3-100, 3-114
Loading Your Vehicle.......................................4-56
Loading Your Vehicle for Off-Road Driving..........4-24
Locking Rear Axle...........................................4-12
Lockout Protection..........................................2-14
Lock-Out Switch.............................................2-18
Locks
Delayed Locking..........................................2-10
Door........................................................... 2-8
Lockout Protection.......................................2-14
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-13
9

Rocking Your Vehicle To Get It Out...................4-51
Routing, Engine Drive Belt...............................6-18
Running Your Engine While You Are Parked.......2-53
S
Safety Belt
Reminder Light............................................3-36
Safety Belts
Care of....................................................5-117
Center Passenger Position............................1-24
Driver Position............................................1-16
How to Wear Safety Belts Properly................1-16
Questions and Answers About Safety Belts.....1-15
Rear Safety Belt Comfort Guides for Children
and Small Adults......................................1-29
Rear Seat Passengers.................................1-26
Right Front Passenger Position......................1-24
Safety Belt Extender....................................1-31
Safety Belt Use During Pregnancy.................1-23
Safety Belts Are for Everyone.......................1-10
Safety Chains.................................................4-90
Safety Warnings and Symbols.............................. iii
Scanning the Terrain.......................................4-26
Scheduled Maintenance..................................... 6-4
Seatback Latches............................................. 1-8
Seats
Head Restraints............................................ 1-8
Heated Seats............................................... 1-5Seats (cont.)
Manual........................................................ 1-3
Memory.....................................................2-70
Power Lumbar.............................................. 1-5
Power Seats................................................. 1-4
Rear Seat Operation...................................... 1-9
Reclining Seatbacks...................................... 1-6
Seatback Latches.......................................... 1-8
Secondary Latch System................................5-110
Securing a Child Restraint
Center Front Seat Position............................1-58
Center Rear Seat Position............................1-56
Designed for the LATCH System...........1-48, 1-49
Rear Outside Seat Position...........................1-53
Right Front Seat Position (Crew Cab).............1-58
Right Front Seat Position (Regular and
Extended Cab).........................................1-61
Security While You Travel.................................. 7-6
Select Button.................................................3-64
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-5
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-48
Publications Ordering Information...................7-11
SERVICE 4 WHEEL STEER.............................3-69
SERVICE 4WD...............................................3-69
SERVICE AIRBAG..........................................3-68
SERVICE BRAKE BOOSTER...........................3-68
SERVICE BRAKE SYSTEM.............................3-68
14

Theft-Deterrent Systems...................................2-20
Content Theft-Deterrent................................2-20
Passlock
®...................................................2-22
TIGHTEN FUEL CAP......................................3-70
Tilt Wheel........................................................ 3-7
Tire Sidewall Labeling......................................5-74
Tire Size.......................................................5-77
Tire Terminology and De nitions........................5-79
Tires.............................................................5-74
Buying New Tires........................................5-86
Chains.......................................................5-91
Changing a Flat Tire....................................5-93
Dual Tire Operation.....................................5-83
If a Tire Goes Flat.......................................5-92
In ation - Tire Pressure................................5-82
Inspection and Rotation................................5-83
Spare Tire................................................5-113
Uniform Tire Quality Grading.........................5-88
Wheel Alignment and Tire Balance.................5-89
Wheel Replacement.....................................5-89
When It Is Time for New Tires......................5-86
To Use the Engine Coolant Heater....................2-26
Tonneau Cover...............................................2-68
Top Strap......................................................1-42
Top Strap Anchor Location...............................1-43
Torque Lock (Automatic Transmission)...............2-51
Total Weight on Your Vehicle’s Tires..................4-88
Tow/Haul Mode (Automatic Transmission)...........2-30
Tow/Haul Mode Light.......................................3-52
Tow/Haul Mode, Overdrive Disable....................3-52Towing
Power Take-Off (PTO)................................4-100
Recreational Vehicle.....................................4-53
Towing a Trailer..........................................4-70
Your Vehicle...............................................4-52
Traction
Assist System (TAS)...................................... 4-9
Manual Selectable Ride................................4-11
Off Light.....................................................3-45
TRACTION ACTIVE........................................3-70
Trailer
Recommendations.......................................4-69
Trailer Brakes.................................................4-90
Trailer Wiring Harness.....................................4-95
TRANS HOT IDLE ENGINE (Allison
Transmission
®Only).....................................3-71
Transfer Case........................................5-58, 5-60
Transmission
Fluid, Automatic..................................5-27, 5-30
Fluid, Manual..............................................5-33
Temperature Gage.......................................3-46
Up-Shift Light..............................................3-43
TRANSMISSION HOT.....................................3-70
Transmission Operation, Automatic....................2-27
Transmission Operation, Manual........................2-31
Transmission, Transaxle, Transfer Case Unit
Repair Manual............................................7-11
Transportation Options...................................... 7-8
Traveling to Remote Areas...............................4-25
Trip Information Button....................................3-54
16