2004 GMC ENVOY steering wheel

(A) Light Truck (LT-Metric) Tire:The United States
version of a metric tire sizing system. The letter “LT” as
the rst two characters in the tire size means a light
truck 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.
(C) Aspect Ratio:A two-digit number that indicates
the tire height-to-width measurements. For example, if
the tire size aspect ratio is “75,” as shown in item “C” of
the illustration, it would mean that the tire’s sidewall is
75% as high as it is wide.(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:The service description
indicates the load range and speed rating of a tire. The
load index can range from 1 to 279. Speed ratings
range from “A” to “Z”. The light truck tire size example
above shows dual or single tire congurations.Tire Terminology and Denitions
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).
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. Light Truck (LT-Metric) Tire
5-62

If a Tire Goes Flat
It’s unusual for a tire to “blowout” while you’re driving,
especially if you maintain your tires properly. If air goes
out of a tire, it’s much more likely to leak out slowly.
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 at tire will create a drag that
pulls the vehicle toward that side. Take your foot off the
accelerator pedal and grip the steering wheel rmly.
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’d 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.{CAUTION:
Lifting a vehicle and getting under it to do
maintenance or repairs is dangerous without
the appropriate safety equipment and training.
The jack provided with your vehicle is
designed only for changing a at tire. If it is
used for anything else, you or others could be
badly injured or killed if the vehicle slips off
the jack. Use the jack provided with your
vehicle only for changing a at tire.
If a tire goes at, the next part shows how to use your
jacking equipment to change a at tire safely.
5-75

A
Accessory Inator...........................................5-73
Accessory Power Outlets.................................3-19
Adding a Snow Plow or Similar Equipment.........4-55
Adding Washer Fluid.......................................5-38
Additional Program Information........................... 7-9
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment...........................5-100
Adjustable Throttle and Brake Pedal..................2-22
Adjusting the Speakers
(Balance/Fade)............................3-67, 3-78, 3-93
After Off-Road Driving.....................................4-28
Air Bag
Readiness Light..........................................3-35
Air Bag Systems.............................................1-51
How Does an Air Bag Restrain?....................1-58
Servicing Your Air Bag-Equipped Vehicle.........1-61
What Makes an Air Bag Inate?....................1-58
What Will You See After an Air Bag Inates? . . 1-59
When Should an Air Bag Inate?...................1-57
Where Are the Air Bags?..............................1-55
Air Cleaner/Filter, Engine.................................5-21
Airbag Sensing and Diagnostic Module (SDM)....7-10
All Overseas Locations...................................... 7-5
AM .............................................................3-117
Antenna, Fixed Mast......................................3-120
Antenna, XM™ Satellite Radio Antenna System . . . 3-120
Anti-lock Brake System..................................... 4-6Anti-Lock Brake, System Warning Light..............3-39
Appearance Care............................................5-91
Care of Safety Belts....................................5-94
Chemical Paint Spotting...............................5-98
Cleaning the Inside of Your Vehicle................5-92
Cleaning the Outside of Your Vehicle..............5-95
Finish Damage............................................5-97
Sheet Metal Damage...................................5-97
Underbody Maintenance...............................5-98
Vehicle Care/Appearance Materials................5-98
Weatherstrips..............................................5-94
Approaching a Hill..........................................4-20
Ashtrays........................................................3-20
Audio Output................................................3-112
Audio System(s).............................................3-63
Audio Steering Wheel Controls....................3-116
Care of Your Cassette Tape Player...............3-118
Care of Your CD and DVD Player................3-119
Care of Your CDs and DVDs.......................3-119
Chime Level Adjustment.............................3-120
Fixed Mast Antenna...................................3-120
Navigation/Radio System.............................3-103
Audio Systems
Radio Personalization.................................3-115
Audio System(s)
Radio with Cassette and CD.........................3-75
Radio with CD............................................3-64
Radio with Six-Disc CD................................3-90
1

Engine (cont.)
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-39
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-34
Fan Noise..................................................5-36
Oil .............................................................5-16
Overheating................................................5-28
Reduced Power Light...................................3-46
Starting......................................................2-21
Engine Compartment Fuse Block.....................5-102
ENGINE COOLANT HOT/ENGINE
OVERHEATED............................................3-60
Engine Oil Additives........................................5-19
Entertainment System
Cleaning the Video Screen..........................3-119
DVD Distortion..........................................3-117
Entry Lighting.................................................3-18
Environmental Concerns..................................4-17
Erasing HomeLink
®Buttons..............................2-44
Event Data Records (EDR)..............................7-10
Exit Lighting...................................................3-18
Express–Down Window....................................2-16
Extender, Safety Belt.......................................1-28
Exterior Lamps...............................................3-15
F
Filter
Engine Air Cleaner......................................5-21
Finding a Program Type (PTY)
Station (RDS and XM™)..............3-68, 3-79, 3-93
Finding a Station............................3-66, 3-77, 3-91
Finish Care....................................................5-95
Finish Damage...............................................5-97
Fixed Mast Antenna.......................................3-120
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-75
Flat Tire, Changing.........................................5-76
Fluid
Automatic Transmission................................5-22
Power Steering...........................................5-37
Windshield Washer......................................5-38
FM Stereo....................................................3-117
Fog Lamps....................................................3-17
Following Distance..........................................4-62
Four-Wheel Drive....................................2-26, 5-50
Front Axle......................................................5-51
Front Storage Area.........................................2-46
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
6

Seats (cont.)
Memory.....................................................2-52
Power Lumbar.............................................. 1-2
Power Reclining Seatbacks............................. 1-4
Power Seats................................................. 1-2
Rear Seat Operation...................................... 1-5
Securing a Child Restraint
Center Seat Position....................................1-48
Designed for the LATCH System...................1-44
Rear Outside Seat Position...........................1-44
Right Front Seat Position..............................1-48
Security Light.................................................3-45
Security While You Travel.................................. 7-6
Select...........................................................3-59
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-4
Doing Your Own Work................................... 5-3
Engine Soon Light.......................................3-40
Four-Wheel-Drive Warning Light.....................3-47
Publications Ordering Information...................7-12
SERVICE AIR BAG.........................................3-60
SERVICE BRAKE SYSTEM.............................3-60
Service Bulletins.............................................7-12Service Engine Soon Light in the United States
or Check Engine Light in Canada..................3-40
Service Manuals.............................................7-12
Setting Preset PTYs (RDS Only).......3-69, 3-80, 3-94
Setting Preset Stations....................3-66, 3-78, 3-92
Setting the Time.............................................3-63
Setting the Tone (Bass/Treble)..........3-67, 3-78, 3-92
Sheet Metal Damage.......................................5-97
Shifting Into Park (P).......................................2-31
Shifting Out of Park (P)...................................2-33
Skidding........................................................4-14
Snow Plow....................................................4-55
Some Other Rainy Weather Tips.......................4-32
Spare Tire.....................................................5-91
Special Fabric Cleaning Problems.....................5-93
Specications, Capacities...............................5-115
Speedometer..................................................3-34
Stalling on an Incline.......................................4-26
Starting Your Engine.......................................2-21
Steering........................................................4-10
Steering in Emergencies..................................4-11
Steering Tips..................................................4-10
Steering Wheel Controls, Audio.......................3-116
Stereo RCA Jacks.........................................3-111
14

Vehicle Storage..............................................5-42
Video Screen................................................3-107
Visor Vanity Mirror..........................................2-17
Visors...........................................................2-17
Voltmeter Gage..............................................3-37
W
Warning Lights, Gages and Indicators................3-32
Warnings
DIC Warnings and Messages........................3-59
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washing Your Vehicle......................................5-95
Weight Distributing Hitches and
Weight Carrying Hitches...............................4-59
Weight of the Trailer........................................4-56
Weight of the Trailer Tongue.............................4-58
What Kind of Engine Oil to Use........................5-18What to Add..................................................5-40
What to Do with Used Oil................................5-21
What to Use..........................5-26, 5-37, 5-38, 5-49
Wheels
Alignment and Tire Balance..........................5-71
Replacement...............................................5-71
When to Add Engine Oil..................................5-17
When to Change Engine Oil
(GM Oil Life System)...................................5-20
When to Check..............................................5-66
When to Check and Change............................5-22
When to Check Lubricant.................................5-49
When to Check Power Steering Fluid................5-37
When to Inspect.............................................5-21
When You Are Ready to Leave After
Parking on a Hill.........................................4-65
Where to Put the Restraint...............................1-39
Why Safety Belts Work....................................1-10
Window Lockout.............................................2-16
Windows.......................................................2-15
Power........................................................2-16
17