Seats and Restraint Systems........................... 1-1
Front Seats
............................................... 1-2
Rear Seats
............................................... 1-5
Safety Belts
.............................................. 1-8
Child Restraints
.......................................1-29
Air Bag Systems
......................................1-51
Restraint System Check
............................1-61
Features and Controls..................................... 2-1
Keys
........................................................ 2-3
Doors and Locks
....................................... 2-8
Windows
.................................................2-15
Theft-Deterrent Systems
............................2-17
Starting and Operating Your Vehicle
...........2-19
Mirrors
....................................................2-36
OnStar
®System
......................................2-40
HomeLink®Transmitter
.............................2-41
Storage Areas
.........................................2-45
Sunroof
..................................................2-52
Vehicle Personalization
.............................2-52
Instrument Panel............................................. 3-1
Instrument Panel Overview
.......................... 3-4
Climate Controls
......................................3-20
Warning Lights, Gages and Indicators
.........3-32
Driver Information Center (DIC)
..................3-50
Audio System(s)
.......................................3-63Driving Your Vehicle....................................... 4-1
Your Driving, the Road, and Your Vehicle
..... 4-2
Towing
...................................................4-43
Service and Appearance Care.......................... 5-1
Service
..................................................... 5-3
Fuel
......................................................... 5-4
Checking Things Under the Hood
...............5-10
Rear Axle
...............................................5-49
Four-Wheel Drive
.....................................5-50
Front Axle
...............................................5-51
Bulb Replacement
....................................5-52
Windshield Wiper Blade Replacement
.........5-54
Tires
......................................................5-57
Appearance Care
.....................................5-91
Vehicle Identi cation
.................................5-99
Electrical System
....................................5-100
Capacities and Speci cations
...................5-115
Maintenance Schedule..................................... 6-1
Maintenance Schedule
................................ 6-2
Customer Assistance and Information.............. 7-1
Customer Assistance and Information
........... 7-2
Reporting Safety Defects
...........................7-11
Index.................................................................1
2004 GMC Envoy/Envoy XL Owner ManualM
Service............................................................5-3
Doing Your Own Service Work.........................5-3
Adding Equipment to the
Outside of Your Vehicle...............................5-4
Fuel................................................................5-4
Gasoline Octane............................................5-4
Gasoline Speci cations....................................5-5
California Fuel...............................................5-5
Additives.......................................................5-6
Fuels in Foreign Countries...............................5-6
Filling Your Tank............................................5-7
Filling a Portable Fuel Container.......................5-9
Checking Things Under the Hood....................5-10
Hood Release..............................................5-10
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-16
Engine Air Cleaner/Filter................................5-21
Automatic Transmission Fluid.........................5-22
Engine Coolant.............................................5-25
Radiator Pressure Cap..................................5-27
Engine Overheating.......................................5-28
Cooling System............................................5-29
Engine Fan Noise.........................................5-36Power Steering Fluid.....................................5-37
Windshield Washer Fluid................................5-38
Brakes........................................................5-39
Battery........................................................5-42
Jump Starting...............................................5-43
Rear Axle.......................................................5-49
Four-Wheel Drive............................................5-50
Front Axle......................................................5-51
Bulb Replacement..........................................5-52
Halogen Bulbs..............................................5-52
Headlamps..................................................5-52
Front Turn Signal and Sidemarker Lamps........5-52
Taillamps and Turn Signal Lamps...................5-52
Replacement Bulbs.......................................5-54
Windshield Wiper Blade Replacement..............5-54
Tires..............................................................5-57
In ation - Tire Pressure.................................5-65
Tire Inspection and Rotation...........................5-66
When It Is Time for New Tires.......................5-68
Buying New Tires.........................................5-68
Uniform Tire Quality Grading..........................5-69
Section 5 Service and Appearance Care
5-1
Replacement Bulbs
Exterior Lamp Bulb Number
Halogen Headlamps
Low Beam 9006 HB4
High Beam 9005 HB3
Front Sidemarker Lamps 194
Front Turn Signal Lamps 3457
Tail and Stoplamps 3057
Rear Turn Signal Lamps 3057
Back Up Lamps 3157
For any bulb not listed here, contact your dealer.
Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected at least
twice a year for wear or cracking.
Notice: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 your warranty. Do
not allow the wiper blade arm to touch the
windshield.
1. To remove the old wiper blades, lift the wiper arm
until it locks into a vertical position.
5-54
Audio System(s) (cont.)
Rear Seat Audio (RSA)...............................3-114
Setting the Time..........................................3-63
Theft-Deterrent Feature...............................3-116
Understanding Radio Reception...................3-117
XM™ Satellite Radio Antenna System...........3-120
Automatic Headlamp System............................3-15
Automatic Transfer Case..................................2-27
Automatic Transmission
Fluid..........................................................5-22
Operation...................................................2-24
B
Backglass Wiper Blade Replacement.................5-56
Backing Up....................................................4-62
Battery..........................................................5-42
BATTERY NOT CHARGING.............................3-60
Battery Replacement......................................... 2-7
Battery Run-Down Protection............................3-19
Before Leaving on a Long Trip.........................4-35
Before You Drive...........................................3-104
Before You Go Off-Roading..............................4-15
Brake
Parking......................................................2-30
System Warning Light..................................3-38
Brake Adjustment............................................5-41
Brake Fluid....................................................5-39Brake Pedal, Throttle.......................................2-22
Brake Pedal Travel.........................................5-41
Brake Wear...................................................5-41
Brakes..........................................................5-39
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-19
Bulb Replacement...........................................5-52
Front Turn Signal and Sidemarker Lamps.......5-52
Halogen Bulbs............................................5-52
Headlamps.................................................5-52
Replacement Bulbs......................................5-54
Taillamps and Turn Signal Lamps..................5-52
Buying New Tires...........................................5-68
C
California Fuel.................................................. 5-5
Canada........................................................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Speci cations..........................5-115
Carbon Monoxide...................4-38, 4-55, 2-14, 2-34
Care of
Safety Belts................................................5-94
Your Cassette Tape Player..........................3-118
Your CD and DVD Player...........................3-119
Your CDs and DVDs..................................3-119
2
R
Radiator Pressure Cap....................................5-27
Radio Data System (RDS)...............3-64, 3-76, 3-90
Radio Messages.....................................3-70, 3-81
Radios..........................................................3-63
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
Navigation/Radio System.............................3-103
Radio Personalization.................................3-115
Radio with Cassette and CD.........................3-75
Radio with CD............................................3-64
Radio with Six-Disc CD................................3-90
Rear Seat Audio........................................3-114
Setting the Time..........................................3-63
Theft-Deterrent..........................................3-116
Understanding Reception............................3-117
Rainsense™ Wipers........................................3-10
RDS Messages..............................3-69, 3-80, 3-94
Reading Lamps..............................................3-18
REAR ACCESS OPEN....................................3-61
Rear Axle......................................................5-49
Locking......................................................4-10
Rear Climate Control System............................3-28
Rear Compartment Storage Panel/Cover............2-48Rear Door Security Locks................................2-13
Rear Floor Storage Lid....................................2-50
Rear Safety Belt Comfort Guides......................1-25
Rear Seat Audio (RSA)..................................3-114
Rear Seat Entertainment System.....................3-104
Rear Seat Operation......................................... 1-5
Rear Seat Passenger Positions.........................1-22
Rear Seat Passengers, Safety Belts..................1-22
Rear Seats (Envoy XL)..................................... 1-7
Rear Storage Area..........................................2-48
Rear Underseat Fuse Block............................5-109
Rear Window Defogger............................3-22, 3-27
Rearview Mirror, Automatic Dimming with
OnStar
®and Compass.................................2-36
Reclining Seatbacks, Power............................... 1-4
Recommended Fluids and Lubricants.................6-12
Recreational Vehicle Towing.............................4-44
Reduced Engine Power Light............................3-46
Remote Control.............................................3-107
Remote Keyless Entry System............................ 2-5
Remote Keyless Entry System, Operation............ 2-6
Removing the Flat Tire and
Installing the Spare Tire................................5-83
Removing the Spare Tire and Tools...................5-77
Replacement Bulbs.........................................5-54
Replacing Brake System Parts..........................5-42
12