ECU GMC ENVOY 2006 Repair Manual

In many instances, mechanical failures are covered
under GMC’s Bumper-to-Bumper warranty. However,
when other services are utilized, our Roadside
Assistance Representatives will explain any payment
obligations you might incur.
For prompt and efficient assistance when calling, please
provide the following to the Roadside Assistance
Representative:
Your name, home address, and home
telephone number.
Telephone number of your location.
Location of the vehicle.
Model, year, color, and license plate number of
the vehicle.
Mileage, Vehicle Identication Number (VIN) and
delivery date of the vehicle.
Description of the problem.While we hope you never have the occasion to use our
service, it is added security while traveling for you
and your family. Remember, we are only a phone call
away. GMC Roadside Assistance:1-800-462-8782, text
telephone (TTY) users, call1-888-889-2438.
GMC reserves the right to limit services or
reimbursement to an owner or driver when, in GMC’s
judgement, the claims become excessive in frequency or
type of occurrence.
Roadside Assistance is not part of or included in the
coverage provided by the New Vehicle Limited Warranty.
GMC reserves the right to make any changes or
discontinue the Roadside Assistance program at any
time without notication.
Canadian Roadside Assistance
Vehicles purchased in Canada have an extensive
roadside assistance program accessible from anywhere
in Canada or the United States. Please refer to the
Warranty and Owner Assistance Information book.
7-7

Chains, Tire...................................................5-71
Charging System Light....................................3-38
Check
Engine Light...............................................3-42
Gages Warning Light...................................3-48
Check Gas Cap Light......................................3-49
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-99
Child Restraints
Child Restraint Systems...............................1-37
Infants and Young Children...........................1-34
Lower Anchors and Tethers for Children..........1-43
Older Children.............................................1-32
Securing a Child Restraint in a Rear
Outside Seat Position...............................1-51
Securing a Child Restraint in the Center
Rear Seat Position...................................1-53
Securing a Child Restraint in the Right
Front Seat Position...................................1-53
Where to Put the Restraint...........................1-42
Chime Level Adjustment.................................3-143
Cigarette Lighter.............................................3-20
Cleaning
Aluminum Wheels........................................5-98
Exterior Lamps/Lenses.................................5-96
Fabric/Carpet..............................................5-94
Finish Care.................................................5-96
Inside of Your Vehicle..................................5-92
Instrument Panel, Vinyl, and Other
Plastic Surfaces.......................................5-95Cleaning (cont.)
Leather......................................................5-94
Tires..........................................................5-98
Underbody Maintenance...............................5-99
Washing Your Vehicle...................................5-96
Weatherstrips..............................................5-95
Windshield, Backglass, and
Wiper Blades...........................................5-97
Climate Control System
Dual ..........................................................3-20
Dual Automatic............................................3-23
Outlet Adjustment........................................3-27
Rear ..........................................................3-28
Collision Damage Repair..................................7-11
Comfort Guides, Rear Safety Belt.....................1-28
Content Theft-Deterrent....................................2-17
Control of a Vehicle.......................................... 4-6
Convenience Net............................................2-60
Coolant
Engine Temperature Gage............................3-41
Heater, Engine............................................2-22
Cooling System..............................................5-30
Cruise Control................................................3-11
Cruise Control Light........................................3-47
Customer Assistance Information
Courtesy Transportation.................................. 7-8
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
3

Customer Assistance Information (cont.)
GM Mobility Reimbursement Program............... 7-5
Reporting Safety Defects to
General Motors........................................7-15
Reporting Safety Defects to the
Canadian Government..............................7-14
Reporting Safety Defects to the
United States Government.........................7-14
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-15
D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Delayed Locking............................................... 2-9
Displacement on Demand™ (DoD™).................2-23
Doing Your Own Service Work........................... 5-4
Dome Lamp Override......................................3-18
Dome Lamps .................................................3-17
Door
Delayed Locking........................................... 2-9
Locks.......................................................... 2-8
Power Door Locks......................................... 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Driver
Position, Safety Belt.....................................1-19Driver Information Center (DIC).........................3-50
DIC Operation and Displays..........................3-51
DIC Vehicle Customization............................3-60
DIC Warnings and Messages........................3-54
Driving
At Night.....................................................4-32
City ...........................................................4-35
Defensive..................................................... 4-2
Drunken....................................................... 4-3
Freeway.....................................................4-36
Hill and Mountain Roads..............................4-38
In Rain and on Wet Roads...........................4-33
Off-Road ....................................................4-19
Rocking Your Vehicle to Get it Out.................4-44
Winter........................................................4-40
Dual Automatic Climate Control System.............3-23
Dual Climate Control System............................3-20
DVD
Rear Seat Entertainment System..................3-124
E
Electrical System
Add-On Equipment.....................................5-102
Engine Compartment Fuse Block.................5-103
Fuses and Circuit Breakers.........................5-103
Headlamps...............................................5-102
Power Windows and Other Power Options....5-102
4

I
Ignition Positions.............................................2-19
Infants and Young Children, Restraints...............1-34
Ination - Tire Pressure...................................5-62
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-17
Cluster.......................................................3-32
J
Jump Starting.................................................5-42
K
Keyless Entry System....................................... 2-5
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-56
Lamps
Battery Run-Down Protection.........................3-19
Dome ........................................................3-17
Dome Lamp Override...................................3-18
Fog ...........................................................3-17
Reading.....................................................3-18LATCH System
Child Restraints...........................................1-43
Liftgate/Liftglass..............................................2-13
Liftglass/Liftgate..............................................2-13
Light
Airbag Readiness........................................3-35
Anti-Lock Brake System Warning...................3-40
Brake System Warning.................................3-39
Change Engine Oil......................................3-46
Charging System.........................................3-38
Check Gages Warning.................................3-48
Check Gas Cap..........................................3-49
Cruise Control.............................................3-47
Gate Ajar...................................................3-48
Highbeam On.............................................3-47
Low Fuel Warning.......................................3-49
Malfunction Indicator....................................3-42
Passenger Airbag Status Indicator..................3-36
Passenger Safety Belt Reminder....................3-34
Reduced Engine Power................................3-47
Safety Belt Reminder...................................3-34
Security.....................................................3-46
Service Four-Wheel-Drive Warning Light.........3-48
StabiliTrak®Indicator....................................3-41
StabiliTrak®Service......................................3-40
Lighting
Entry.........................................................3-18
Exit...........................................................3-18
Loading Your Vehicle.......................................4-45
7

Locking Rear Axle............................................ 4-9
Lockout Protection..........................................2-12
Locks
Delayed Locking........................................... 2-9
Door ........................................................... 2-8
Lockout Protection.......................................2-12
Power Door .................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-18
Low Fuel Warning Light...................................3-49
Luggage Carrier..............................................2-57
Lumbar
Manual Controls............................................ 1-3
Power Controls............................................. 1-4
MMaintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month.................................. 6-9
At Least Once a Year..................................6-10
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-15
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-14
Owner Checks and Services........................... 6-9Maintenance Schedule (cont.)
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4
Using.......................................................... 6-2
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-42
Manual Lumbar Controls.................................... 1-3
Manual Seats................................................... 1-2
Memory Seat.................................................2-62
Message
DIC Warnings and Messages........................3-54
Mirrors
Automatic Dimming Rearview with Compass....2-43
Automatic Dimming Rearview with Compass
and Temperature Display...........................2-44
Automatic Dimming Rearview with OnStar
®
and Compass..........................................2-39
Automatic Dimming Rearview with OnStar®,
Compass and Temperature Display.............2-40
Manual Rearview Mirror................................2-36
Manual Rearview Mirror with OnStar
®.............2-36
Manual Rearview Mirror with OnStar®,
Compass, and Temperature Display............2-37
Outside Convex Mirror.................................2-48
Outside Curb View Assist Mirror....................2-48
Outside Heated Mirrors................................2-48
Outside Manual Mirrors................................2-47
Outside Power Mirrors..................................2-47
MyGMLink.com................................................ 7-3
8

Power (cont.)
Seat ............................................................ 1-3
Steering Fluid.............................................5-36
Windows....................................................2-15
Pretensioners, Safety Belt................................1-31
Programmable Automatic Door Locks.................2-10
Q
Questions and Answers About Safety Belts.........1-18
R
Radiator Pressure Cap....................................5-28
Radios..........................................................3-66
Care of Your Cassette Tape Player...............3-141
Care of Your CD and DVD Player................3-142
Care of Your CDs and DVDs .......................3-142
Navigation/Radio System, see
Navigation Manual..................................3-124
Radio with Cassette and CD.........................3-96
Radio with CD....................................3-68, 3-80
Radio with Six-Disc CD..............................3-110
Rear Seat Audio........................................3-137
Setting the Time..........................................3-68
Theft-Deterrent..........................................3-139
Understanding Reception............................3-140
Rainsense™ Wipers.......................................... 3-9
Reading Lamps..............................................3-18Rear Axle......................................................5-47
Locking........................................................ 4-9
Rear Climate Control System............................3-28
Rear Compartment Storage Panel/Cover............2-58
Rear Door Security Locks................................2-12
Rear Floor Storage Lid....................................2-60
Rear Safety Belt Comfort Guides......................1-28
Rear Seat Audio (RSA)..................................3-137
Rear Seat Entertainment System.....................3-124
Rear Seat Operation......................................... 1-9
Rear Seat Passengers, Safety Belts..................1-26
Rear Windshield Washer/Wiper.........................3-10
Rearview Mirror, Automatic Dimming
with Compass.............................................2-43
Rearview Mirror, Automatic Dimming with
Compass and Temperature Display................2-44
Rearview Mirror, Automatic Dimming with
OnStar
®and Compass.................................2-39
Rearview Mirror, Automatic Dimming with
OnStar
®, Compass and Temperature Display.....2-40
Rearview Mirror with OnStar®...........................2-36
Rearview Mirror with OnStar®, Compass,
and Temperature Display..............................2-37
Rearview Mirrors.............................................2-36
Reclining Seatbacks.......................................... 1-5
Recommended Fluids and Lubricants.................6-12
Recreational Vehicle Towing.............................4-50
Reduced Engine Power Light............................3-47
Remote Keyless Entry System............................ 2-5
Remote Keyless Entry System, Operation............ 2-6
10

Removing the Flat Tire and Installing
the Spare Tire.............................................5-78
Removing the Spare Tire and Tools...................5-75
Replacement Bulbs.........................................5-52
Reporting Safety Defects
Canadian Government..................................7-14
General Motors...........................................7-15
United States Government............................7-14
Restraint System Check
Checking the Restraint Systems....................1-73
Replacing Restraint System Parts
After a Crash..........................................1-74
Retained Accessory Power (RAP)......................2-20
Right Front Passenger Position, Safety Belts......1-26
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle to Get it Out....................4-44
Running the Engine While Parked.....................2-35
SSafety Belt
Passenger Reminder Light............................3-34
Pretensioners..............................................1-31
Reminder Light............................................3-34
Safety Belts
Care of ......................................................5-95
Driver Position............................................1-19
How to Wear Safety Belts Properly................1-19
Questions and Answers About Safety Belts.....1-18Safety Belts (cont.)
Rear Safety Belt Comfort Guides...................1-28
Rear Seat Passengers.................................1-26
Right Front Passenger Position......................1-26
Safety Belt Extender....................................1-31
Safety Belt Use During Pregnancy.................1-25
Safety Belts Are for Everyone.......................1-14
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seats
Head Restraints............................................ 1-8
Heated Seats............................................... 1-4
Manual........................................................ 1-2
Manual Lumbar............................................. 1-3
Memory .....................................................2-62
Power Lumbar .............................................. 1-4
Power Seats................................................. 1-3
Rear Seat Operation...................................... 1-9
Reclining Seatbacks...................................... 1-5
Secondary Latch System.................................5-84
Securing a Child Restraint
Center Rear Seat Position............................1-53
Rear Outside Seat Position...........................1-51
Right Front Seat Position..............................1-53
Security Light.................................................3-46
Service........................................................... 5-3
Accessories and Modications......................... 5-3
Adding Equipment to the Outside of
Your Vehicle.............................................. 5-5
California Proposition 65 Warning.................... 5-3
11