2003 GMC ENVOY check engine light

Charging System Light....................................3-38
CHECK WASHER FLUID.................................3-61
Checking Brake Fluid......................................5-39
Checking Coolant............................................5-25
Checking Engine Oil........................................5-15
Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-60
Check...........................................................3-42
Engine Light...............................................3-42
Gages Warning Light...................................3-48
Chemical Paint Spotting...................................5-86
Child Restraints..............................................1-36
Child Restraint Systems...............................1-36
Infants and Young Children...........................1-32
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-42
Older Children.............................................1-30
Securing a Child Restraint Designed for
the LATCH System...................................1-44
Securing a Child Restraint in a Rear
Outside Seat Position...............................1-45
Securing a Child Restraint in the Center
Seat Position...........................................1-48
Securing a Child Restraint in the Right
Front Seat Position...................................1-48
Top Strap Anchor Location............................1-41
Top Strap...................................................1-40
Where to Put the Restraint...........................1-39
Chime Level Adjustment.................................3-107
Cigarette Lighter.............................................3-20Cleaning Aluminum Wheels..............................5-85
Cleaning Exterior Lamps/Lenses.......................5-84
Cleaning Fabric/Carpet....................................5-80
Cleaning Glass Surfaces..................................5-82
Cleaning Interior Plastic Components.................5-82
Cleaning Leather............................................5-82
Cleaning the Top of the
Instrument Panel.........................................5-82
Cleaning the Windshield, Backglass and
Wiper Blades..............................................5-85
Cleaning Tires................................................5-85
Cleaning Vinyl................................................5-82
Cleaning........................................................5-80
Inside of Your Vehicle..................................5-80
Outside of Your Vehicle................................5-83
Underbody Maintenance...............................5-86
Video Screen............................................3-107
Weatherstrips..............................................5-83
Climate Control System...................................3-33
Climate Controls Personalization....................3-33
Dual Automatic............................................3-24
Dual..........................................................3-21
Rear..........................................................3-29
Steering Wheel Controls...............................3-33
Compact Disc Messages.................3-70, 3-80, 3-92
Compass Calibration.......................................2-35
Compass Operation.........................................2-35
Compass Variance..........................................2-36
Content Theft-Deferrent....................................2-17
Control of a Vehicle.......................................... 4-5
3

Driving (cont.)
City...........................................................4-33
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-34
Hill and Mountain Roads..............................4-37
In Rain and on Wet Roads...........................4-30
Winter........................................................4-39
Dual Automatic Climate Control System.............3-24
Dual Climate Control System............................3-21
DVD Player....................................................3-95
DVD ............................................................3-107
Cleaning the Video Screen..........................3-107
Distortion..................................................3-105
Rear Seat Entertainment System...................3-92
E
Electrical System............................................5-89
Add-On Equipment......................................5-89
Fuses and Circuit Breakers...........................5-90
Headlamps.................................................5-89
Power Windows and Other Power Options......5-90
Windshield Wiper Fuses...............................5-89
Electronically Controlled Air Suspension
System......................................................4-49
Emergency Release for Opening Liftgate............2-13
Emissions Inspection and Maintenance
Programs...................................................3-44Engine Compartment Fuse Block......................5-91
ENGINE COOLANT HOT/IDLE ENGINE.............3-60
Engine Coolant Level Check.............................6-11
Engine Oil Additives........................................5-18
Engine Oil Level Check...................................6-11
Engine Oil Scheduled Maintenance..................... 6-5
Engine..........................................................5-20
Air Cleaner/Filter.........................................5-20
Battery.......................................................5-41
Change Engine Oil Light...............................3-46
Check and Service Engine Soon Light............3-42
Compartment Overview................................5-12
Coolant Heater............................................2-22
Coolant Temperature Gage...........................3-41
Coolant......................................................5-24
Cooling System Inspection............................6-17
Exhaust.....................................................2-33
Fan Noise..................................................5-35
Oil .............................................................5-15
Overheating................................................5-27
Reduced Power Light...................................3-47
Starting......................................................2-21
Entertainment System....................................3-107
Cleaning the Video Screen..........................3-107
DVD Distortion..........................................3-105
Entry Lighting.................................................3-18
Environmental Concerns..................................4-17
Erasing HomeLink
žButtons..............................2-43
Exit Lighting...................................................3-18
Express±Down Window....................................2-16
5

Extender, Safety Belt.......................................1-29
Exterior Lamps...............................................3-15
F
Filter.............................................................5-20
Engine Air Cleaner......................................5-20
Finding a PTY Station.....................3-67, 3-75, 3-84
Finding a Station............................3-65, 3-72, 3-82
Finish Care....................................................5-84
Finish Damage...............................................5-86
Fixed Mast Antenna.......................................3-107
Flash-to-Pass................................................... 3-9
Flat Tire, Changing.........................................5-64
Flat Tire........................................................5-64
Fluid.............................................................5-21
Automatic Transmission................................5-21
Power Steering...........................................5-36
Windshield Washer......................................5-37
FM ..............................................................3-105
Fog Lamps....................................................3-17
Following Distance..........................................4-57
Footnotes........................................................ 6-5
Four-Wheel Drive....................................2-25, 5-48
Front Axle......................................................5-49
Front Storage Area.........................................2-45
Fuel Information..............................................3-52
FUEL LEVEL LOW.........................................3-61
Fuel............................................................... 5-4Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-49
Gasoline Octane........................................... 5-4
Gasoline Speci®cations.................................. 5-5
Low Warning Light.......................................3-50
System Inspection.......................................6-16
Fuses...........................................................5-90
Fuses and Circuit Breakers...........................5-90
Windshield Wiper.........................................5-89
G
Gage............................................................3-48
Check Gages Warning Light..........................3-48
Engine Coolant Temperature.........................3-41
Fuel..........................................................3-49
Oil Pressure...............................................3-45
Speedometer..............................................3-36
Tachometer.................................................3-36
Voltmeter Gage...........................................3-39
Garage Door Opener.......................................2-40
Gasoline......................................................... 5-4
Octane........................................................ 5-4
Speci®cations............................................... 5-5
Gate Ajar Light...............................................3-49
6

Gate Operator and Canadian Programming........2-43
Getting Familiar with Off-Road Driving................4-17
Glove Box.....................................................2-44
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp High/Low-Beam Changer.................... 3-8
Headlamp Washer..........................................3-11
Headlamps....................................................5-50
Bulb Replacement.......................................5-50
Electrical System.........................................5-89
Front Turn Signal and Sidemarker Lamps.......5-51
Halogen Bulbs............................................5-50
Headphones...................................................3-92
Heated Seats................................................... 1-3
Highway Hypnosis...........................................4-36
Hill and Mountain Roads..................................4-37
Hitches..........................................................4-55
HomeLink Transmitter, Programming..................2-41
HomeLink
žTransmitter....................................2-40
Hood............................................................5-10
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-7How to Add Coolant to the Coolant
Recovery Tank............................................5-31
How to Add Coolant to the Radiator..................5-33
How to Add Fluid............................................5-23
How to Check Lubricant...................................5-48
How to Check Power Steering Fluid..................5-36
How to Check........................................5-22, 5-55
How to Inspect...............................................5-20
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-31
I
ICE POSSIBLE..............................................3-62
If No Steam Is Coming From Your Engine..........5-28
If Steam Is Coming From Your Engine...............5-27
If the Light Is Flashing.....................................3-43
If the Light Is On Steady.................................3-43
If You Are Stuck in Sand, Mud, Ice or Snow.......4-44
If You Do Decide To Pull A Trailer.....................4-51
If You're Caught in a Blizzard...........................4-41
Ignition Positions.............................................2-19
Ignition Transmission Lock Check......................6-14
Infants and Young Children, Restraints...............1-32
In¯ation -- Tire Pressure..................................5-55
7

Inspection......................................................6-17
Brake System.............................................6-17
Engine Cooling System................................6-17
Exhaust System..........................................6-16
Fuel System...............................................6-16
Part C - Periodic Maintenance.......................6-16
Steering, Suspension and Front Drive Axle
Boot and Seal.........................................6-16
Transfer Case and Front Axle
(Four-Wheel Drive)...................................6-17
Instrument Panel Brightness.............................3-17
Instrument Panel.............................................3-35
Cluster.......................................................3-35
Overview..................................................... 3-4
Interior Lamps................................................3-17
J
Jump Starting.................................................5-42
K
Key Lock Cylinders Service..............................6-13
Keyless Entry System....................................... 2-5
Keys............................................................... 2-3
L
Lamps On Reminder.......................................3-16
Lamps...........................................................3-15
Exterior......................................................3-15
Interior.......................................................3-17
Lap-Shoulder Belt...................................1-15, 1-24
LATCH System...............................................1-42
Child Restraints...........................................1-42
Securing a Child Restraint Designed for
the LATCH System...................................1-44
Leaving Your Vehicle With the Engine
Running.....................................................2-30
Leaving Your Vehicle.......................................2-12
LEFT REAR DOOR AJAR................................3-62
Liftgate Release..............................................2-13
Liftgate/Liftglass..............................................2-13
Liftglass/Liftgate..............................................2-13
Lighted Visor Vanity Mirror...............................2-16
Light.............................................................3-37
Air Bag Readiness.......................................3-37
Anti-Lock Brake System Warning...................3-41
Brake System Warning.................................3-39
Change Engine Oil......................................3-46
Charging System.........................................3-38
Check Gages Warning.................................3-48
Cruise Control.............................................3-47
Gate Ajar...................................................3-49
Low Fuel Warning.......................................3-50
Malfunction Indicator....................................3-42
8

Light (cont.)
Reduced Engine Power................................3-47
Safety Belt Reminder...................................3-37
Security.....................................................3-46
Service Four-Wheel-Drive Warning Light.........3-48
Loading Your Vehicle for Off-Road Driving..........4-16
Loading Your Vehicle.......................................4-47
Locking Rear Axle...........................................4-10
Lockout Protection..........................................2-12
Locks............................................................. 2-9
Delayed Locking........................................... 2-9
Door........................................................... 2-8
Leaving Your Vehicle....................................2-12
Lockout Protection.......................................2-12
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-14
Low Fuel Warning Light...................................3-50
Luggage Carrier..............................................2-48
Lumbar........................................................... 1-2
Power Controls............................................. 1-2
M
Maintenance, Normal Replacement Parts..........5-104
Maintenance Schedule.....................................6-11
At Each Fuel Fill.........................................6-11
At Least Once a Month................................6-11Maintenance Schedule (cont.)
At Least Once a Year..................................6-13
At Least Twice a Year..................................6-12
Brake System Inspection..............................6-17
Engine Cooling System Inspection.................6-17
Exhaust System Inspection...........................6-16
Fuel System Inspection................................6-16
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-11
Part C - Periodic MaintenanceInspections......6-16
Part D - Recommended Fluids and
Lubricants...............................................6-18
Part E - Maintenance Record........................6-20
Scheduled Maintenance................................. 6-5
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..........................6-16
Transfer Case and Front Axle (Four-Wheel
Drive) Inspection......................................6-17
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-59
Making Turns.................................................4-57
Malfunction Indicator Light................................3-42
Matching Transmitter(s) to Your Vehicle............... 2-6
Memory Seat.................................................2-51
9

P
Park(P).........................................................2-29
Shifting Into................................................2-29
Shifting Out of............................................2-31
Parking Brake and Automatic Transmission
Park (P) Mechanism Check...........................6-15
Parking on Hills..............................................4-58
Parking.........................................................2-28
Brake........................................................2-28
Over Things That Burn.................................2-32
Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-11
Part C - Periodic MaintenanceInspections..........6-16
Part D - Recommended Fluids and Lubricants....6-18
Part E - Maintenance Record...........................6-20
PASSENGER DOOR AJAR..............................3-62
Passing.................................................4-12, 4-57
Passlock
ž......................................................2-18
Personalization, Climate Controls......................3-33
Personalization...............................................3-53
Plan Ahead When Possible................................ 7-7
Playing a Cassette Tape..................................3-77
Playing a Compact Disc..................3-69, 3-79, 3-87
Playing a Speci®c Loaded Compact Disc............3-88
Playing the Radio...........................3-64, 3-71, 3-81
Power Steering...............................................4-10
Power...........................................................3-19
Accessory Outlets........................................3-19
Door Locks.................................................. 2-9Power (cont.)
Electrical System.........................................5-90
Lumbar Controls........................................... 1-2
Reclining Seatbacks...................................... 1-4
Reduced Engine Light..................................3-47
Seat............................................................ 1-2
Steering Fluid.............................................5-36
Windows....................................................2-15
Programmable Automatic Door Locks.................2-10
Programmable Locking Feature.........................2-10
Programmable Unlocking Feature......................2-11
Programming the HomeLink Transmitter.............2-41
Q
Questions and Answers About Safety Belts.........1-13
R
Radiator Pressure Cap....................................5-26
Radio Messages.....................................3-69, 3-76
Radios..........................................................3-63
Care of Your Cassette Tape Player...............3-106
Care of Your CD and DVD Player................3-107
Care of Your CDs and DVDs.......................3-107
Radio Personalization.................................3-104
Radio with Cassette and CD.........................3-71
Radio with CD............................................3-64
Radio with Six-Disc CD................................3-81
11

Radios (cont.)
Rear Seat Audio........................................3-103
Setting the Time..........................................3-63
Theft-Deterrent..........................................3-104
Understanding Reception............................3-105
RainsenseŸ Wipers........................................3-10
RDS Messages..............................3-68, 3-75, 3-86
Reading Lamps..............................................3-19
REAR ACCESS OPEN....................................3-61
Rear Axle......................................................5-48
Locking......................................................4-10
Rear Climate Control System............................3-29
Rear Compartment Storage Panel/Cover............2-46
Rear Door Security Locks................................2-12
Rear Floor Storage Lid....................................2-49
Rear Safety Belt Comfort Guides......................1-26
Rear Seat Audio (RSA)..................................3-103
Rear Seat Entertainment System.......................3-92
Rear Seat Operation......................................... 1-6
Rear Seat Passenger Positions.........................1-23
Rear Seat Passengers, Safety Belts..................1-23
Rear Seats (Envoy XL)..................................... 1-7
Rear Underseat Fuse Block..............................5-97
Rear Window Defogger............................3-23, 3-27
Rearview Mirror, Automatic Dimming with
OnStar
žand Compass.................................2-35
Reclining Seatbacks, Power............................... 1-4
Recreational Vehicle Towing.............................4-45
Reduced Engine Power Light............................3-47Remote Control..............................................3-97
Remote Keyless Entry System, Operation............ 2-6
Remote Keyless Entry System............................ 2-5
Removing the Flat Tire and Installing the
Spare Tire..................................................5-72
Removing the Spare Tire and Tools...................5-66
Replacement Bulbs.........................................5-52
Replacing Brake System Parts..........................5-41
Replacing Restraint System Parts
After a Crash..............................................1-61
Reporting Safety Defects................................... 7-9
Canadian Government................................... 7-9
General Motors...........................................7-10
United States Government.............................. 7-9
Reprogramming a Single HomeLink
žButton.......2-43
Resetting Defaults...........................................2-44
Restraint System Check...................................6-12
Checking Your Restraint Systems...................1-60
Replacing Restraint System Parts
After a Crash..........................................1-61
Restraint Systems...........................................1-60
Checking....................................................1-60
Replacing Parts...........................................1-61
Retained Accessory Power (RAP)......................2-20
RFA # BATTERY LOW....................................3-62
Right Front Passenger Position, Safety Belts......1-22
RIGHT REAR DOOR AJAR..............................3-62
Roadside......................................................... 7-5
Assistance Program....................................... 7-5
12