2006 GMC SIERRA tires

Notice:Using chrome polish on aluminum wheels
could damage the wheels. The repairs would not
be covered by your warranty. Use chrome polish on
chrome wheels only.
Use chrome polish only on chrome-plated wheels, but
avoid any painted surface of the wheel, and buff off
immediately after application.
Notice:If you drive your vehicle through an
automatic car wash that has silicone carbide tire
cleaning brushes, you could damage the aluminum
or chrome-plated wheels. The repairs would not
be covered by your warranty. Never drive a vehicle
equipped with aluminum or chrome-plated wheels
through an automatic car wash that uses silicone
carbide tire cleaning brushes.
Do not take your vehicle through an automatic car wash
that has silicone carbide tire cleaning brushes. These
brushes can also damage the surface of these wheels.Tires
To clean the tires, use a stiff brush with tire cleaner.
Notice:Using petroleum-based tire dressing
products on your vehicle may damage the paint
nish and/or tires. When applying a tire dressing,
always wipe off any overspray from all painted
surfaces on your vehicle.
Sheet Metal Damage
If the vehicle is damaged and requires sheet metal
repair or replacement, make sure the body repair shop
applies anti-corrosion material to parts repaired or
replaced to restore corrosion protection.
Original manufacturer replacement parts will provide the
corrosion protection while maintaining the warranty.
5-119

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil (Gasoline Engine) on page 5-20.
Reset oil life system. SeeEngine Oil Life System (Gasoline Engine) on
page 5-23.An Emission Control Service.••
Allison Transmission
®only: Replace external control-main lter only at the rst
maintenance service performed on the vehicle.
Lubricate chassis components.See footnote #.••
Visually check for any leaks or damage.See footnote (j).••
Inspect engine air cleaner lter or change indicator (if equipped). If necessary,
replace lter. SeeEngine Air Cleaner/Filter (Gasoline Engines) on page 5-25.
See footnote (p).•
Rotate tires and check ination pressures and wear. SeeTire Inspection and
Rotation on page 5-81and “Tire Wear Inspection” inAt Least Once a Month
on page 6-12.••
Inspect brake system.See footnote (a).••
Check engine coolant and windshield washer uid levels and add uid as
needed.••
6-5

At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-72for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-91.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notication. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation on
page 5-81.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-52.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The vehicle
should start only in PARK (P) or NEUTRAL (N). If
the vehicle starts in any other position, contact your
GM Goodwrench
®dealer for service.
6-12

A
Accessories and Modications............................ 5-4
Accessory Power Outlet(s)...............................3-20
Adding a Snow Plow or Similar Equipment.........4-54
Adding Equipment to Your Airbag-Equipped
Vehicle.......................................................1-86
Additives, Fuel................................................. 5-7
Add-On Electrical Equipment...........................5-123
Air Cleaner/Filter, Engine.................................5-25
Air Conditioning..............................3-21, 3-22, 3-25
Airbag
Off Light.....................................................3-35
Passenger Status Indicator...........................3-37
Readiness Light..........................................3-35
Airbag Sensing and Diagnostic Module (SDM)...... 7-9
Airbag System................................................1-70
Adding Equipment to Your Airbag-Equipped
Vehicle...................................................1-86
Airbag Off Switch........................................1-78
How Does an Airbag Restrain?......................1-76
Passenger Sensing System...........................1-81
Servicing Your Airbag-Equipped Vehicle..........1-86
What Makes an Airbag Inate?......................1-76
What Will You See After an Airbag Inates?....1-76
When Should an Airbag Inate?....................1-74
Where Are the Airbags?...............................1-72
AM-FM Radio.................................................3-72
Antenna, Fixed Mast......................................3-132
Antenna, XM™ Satellite Radio Antenna System . . . 3-133Anti-Lock Brake System (ABS)........................... 4-6
Anti-Lock Brake, System Warning Light..............3-42
Appearance Care
Aluminum or Chrome-Plated Wheels.............5-118
Care of Safety Belts...................................5-116
Chemical Paint Spotting..............................5-120
Cleaning Exterior Lamps/Lenses..................5-117
Cleaning the Inside of Your Vehicle..............5-113
Fabric/Carpet............................................5-114
Finish Care...............................................5-117
Finish Damage..........................................5-120
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................5-115
Leather....................................................5-115
Sheet Metal Damage..................................5-119
Tires........................................................5-119
Underbody Maintenance.............................5-120
Vehicle Care/Appearance Materials...............5-121
Washing Your Vehicle.................................5-116
Weatherstrips............................................5-116
Windshield and Wiper Blades......................5-118
Ashtray(s)......................................................3-20
Audio System(s).............................................3-70
AM-FM Radio.............................................3-72
Audio Steering Wheel Controls....................3-129
Care of Your Cassette Tape Player...............3-131
Care of Your CD and DVD Player................3-132
Care of Your CDs and DVDs.......................3-132
Chime Level Adjustment.............................3-133
Fixed Mast Antenna...................................3-132
1

Audio System(s) (cont.)
Radio with Cassette and CD.........................3-85
Radio with CD............................................3-75
Radio with Six-Disc CD..............................3-100
Rear Seat Audio (RSA)...............................3-127
Setting the Time for Radios with
Radio Data Systems (RDS).......................3-71
Setting the Time for Radios without
Radio Data Systems (RDS).......................3-71
Theft-Deterrent Feature...............................3-129
Understanding Radio Reception...................3-130
XM™ Satellite Radio Antenna System...........3-133
Automatic Headlamp System............................3-15
Automatic Transmission
Fluid..................................................5-28, 5-30
Operation...................................................2-26
Auxiliary Roof Mounted Lamp Switch.................3-18
B
Battery..........................................................5-51
Battery Warning Light......................................3-40
Before Leaving on a Long Trip.........................4-38
Brake
Anti-Lock Brake System (ABS)........................ 4-6
Emergencies................................................ 4-8
Parking......................................................2-52
System Warning Light..................................3-41
Brakes..........................................................5-47
Braking........................................................... 4-5Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-21
Bulb Replacement...........................................5-63
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp............................................5-67
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-64
Halogen Bulbs............................................5-63
Headlamps.................................................5-63
Pickup Box Identication and Fender
Marker Lamps.........................................5-68
Replacement Bulbs......................................5-70
Roof Marker Lamps.....................................5-66
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-68
Buying New Tires...........................................5-84
C
California Fuel.................................................. 5-7
California Proposition 65 Warning....................... 5-4
Canadian Owners................................................ ii
Capacities and Specications..........................5-133
Carbon Monoxide...................2-14, 2-57, 4-42, 4-67
Care of
Safety Belts..............................................5-116
Your Cassette Tape Player..........................3-131
Your CD and DVD Player...........................3-132
Your CDs and DVDs..................................3-132
Cargo Lamp...................................................3-19
2

Cargo Lamp Light...........................................3-50
Center Console Storage Area...........................2-79
Center Front Passenger Position, Safety Belts....1-25
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp...............................................5-67
Chains, Tire...................................................5-89
Check
Engine Light...............................................3-46
Checking Things Under the Hood......................5-12
Chemical Paint Spotting.................................5-120
Child Restraints
Child Restraint Systems...............................1-37
Infants and Young Children...........................1-33
Lower Anchors and Tethers for Children..........1-42
Older Children.............................................1-31
Securing a Child Restraint in a
Rear Seat Position...................................1-54
Securing a Child Restraint in the
Center Front Seat Position........................1-56
Securing a Child Restraint in the Right
Front Seat Position (Crew Cab)..................1-57
Securing a Child Restraint in the Right
Front Seat Position
(Regular and Extended Cab).............1-59, 1-65
Where to Put the Restraint...........................1-40
Chime Level Adjustment.................................3-133
Cigarette Lighter.............................................3-20Cleaning
Aluminum or Chrome-Plated Wheels.............5-118
Exterior Lamps/Lenses................................5-117
Fabric/Carpet............................................5-114
Finish Care...............................................5-117
Inside of Your Vehicle.................................5-113
Instrument Panel, Vinyl, and Other Plastic
Surfaces...............................................5-115
Leather....................................................5-115
Tires........................................................5-119
Underbody Maintenance.............................5-120
Washing Your Vehicle.................................5-116
Weatherstrips............................................5-116
Windshield and Wiper Blades......................5-118
Climate Control System...................................3-21
Dual..........................................................3-22
Dual Automatic............................................3-25
Outlet Adjustment........................................3-30
Clutch, Hydraulic.............................................5-34
Coinholder(s)..................................................2-79
Collision Damage Repair..................................7-10
Comfort Guides, Rear Safety Belt.....................1-29
Content Theft-Deterrent....................................2-19
Control of a Vehicle.......................................... 4-5
Coolant
Engine Temperature Gage............................3-43
Heater, Engine............................................2-25
Surge Tank Pressure Cap.............................5-37
3

Securing a Child Restraint
Center Front Seat Position............................1-56
Rear Seat Position......................................1-54
Right Front Seat Position (Crew Cab).............1-57
Right Front Seat Position (Regular and
Extended Cab)................................1-59, 1-65
Security Light.................................................3-49
Service........................................................... 5-4
Accessories and Modications......................... 5-4
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-5
California Proposition 65 Warning.................... 5-4
Doing Your Own Work................................... 5-5
Engine Soon Light.......................................3-46
Publications Ordering Information...................7-15
Servicing Your Airbag-Equipped Vehicle..............1-86
Setting the Time
Radios with Radio Data Systems (RDS).........3-71
Radios without Radio Data Systems (RDS).....3-71
Sheet Metal Damage.....................................5-119
Shifting Into Park (P).......................................2-53
Shifting Out of Park (P)...................................2-55
Signals, Turn and Lane-Change.......................... 3-7
Sliding Rear Windows.....................................2-18
Snow Plow....................................................4-54
Spare Tire....................................................5-112
Installing....................................................5-96
Removing...................................................5-92
Storing.....................................................5-108
Specications, Capacities...............................5-133Speedometer..................................................3-33
Starting Your Engine.......................................2-23
Steering........................................................4-11
Steering Wheel Controls, Audio.......................3-129
Steering Wheel, Tilt Wheel................................. 3-6
Storage Areas
Center Console Storage Area........................2-79
Coinholder(s)..............................................2-79
Cupholder(s)...............................................2-79
Front Storage Area......................................2-79
Glove Box..................................................2-79
Stuck in Sand, Mud, Ice or Snow......................4-46
Sun Visors.....................................................2-18
Sunroof.........................................................2-82
Swing-Out Windows........................................2-18
T
Tachometer....................................................3-34
Tailgate.........................................................2-14
Taillamps
Turn Signal, Stoplamps and Back-up Lamps....5-68
Theft-Deterrent, Radio....................................3-129
Theft-Deterrent Systems...................................2-19
Content Theft-Deterrent................................2-19
Passlock
®...................................................2-21
Tilt Wheel........................................................ 3-6
Tires.............................................................5-72
12

Aluminum or Chrome-Plated Wheels,
Cleaning...............................................5-118
Buying New Tires........................................5-84
Chains.......................................................5-89
Changing a Flat Tire....................................5-91
Cleaning...................................................5-119
Different Size..............................................5-85
Dual Tire Operation.....................................5-80
If a Tire Goes Flat.......................................5-90
Ination -- Tire Pressure...............................5-79
Inspection and Rotation................................5-81
Installing the Spare Tire................................5-96
Removing the Flat Tire.................................5-96
Removing the Spare Tire and Tools...............5-92
Secondary Latch System............................5-105
Spare Tire................................................5-112
Storing a Flat or Spare Tire and Tools..........5-108
Tire Sidewall Labeling..................................5-73
Tire Terminology and Denitions....................5-76
Uniform Tire Quality Grading.........................5-86
Wheel Alignment and Tire Balance.................5-87
Wheel Replacement.....................................5-87
When It Is Time for New Tires......................5-83
Tonneau Cover...............................................2-80
Tow/Haul Mode...............................................2-31
Tow/Haul Mode Light.......................................3-50
Towing
Power Take-Off (PTO)..................................4-97
Recreational Vehicle.....................................4-62Towing (cont.)
Towing a Trailer..........................................4-67
Your Vehicle...............................................4-62
Traction
Assist System (TAS)...................................... 4-8
Manual Selectable Ride................................4-10
Off Light.....................................................3-43
Trailer
Recommendations.......................................4-96
Transmission
Fluid, Automatic..................................5-28, 5-30
Fluid, Manual..............................................5-33
Temperature Gage.......................................3-44
Up-Shift Light..............................................3-41
Transmission Operation, Automatic....................2-26
Transmission Operation, Manual........................2-34
Trip Odometer................................................3-33
Truck-Camper Loading Information....................4-59
Turn and Lane-Change Signals.......................... 3-7
Turn Signal/Multifunction Lever........................... 3-7
U
Understanding Radio Reception.......................3-130
Uniform Tire Quality Grading............................5-86
Universal Home Remote System.......................2-75
Operation...................................................2-76
Up-Shift Light.................................................3-41
13