oil change GMC ENVOY DENALI 2006 User Guide

Owner Checks and Services on page 6-9tells you what
should be checked, when to check it, and what you
can easily do to help keep your vehicle in good
condition.
The proper replacement parts, uids, and lubricants to
use are listed inRecommended Fluids and Lubricants
on page 6-12andNormal Maintenance Replacement
Parts on page 6-14. When your vehicle is serviced,
make sure these are used. All parts should be replaced
and all necessary repairs done before you or anyone
else drives the vehicle. We recommend the use of
genuine GM parts.
Scheduled Maintenance
When the change engine oil light or CHANGE ENGINE
OIL DIC message comes on, it means that service is
required for your vehicle. SeeChange Engine Oil Light
on page 3-46orDIC Warnings and Messages on
page 3-54. Have your vehicle serviced as soon as
possible within the next 600 miles (1 000 km). It
is possible that, if you are driving under the best
conditions, the engine oil life system may not indicate
that vehicle service is necessary for over a year.
However, your engine oil and lter must be changed at
least once a year and at this time the system must
be reset. Your GM Goodwrench
®dealer has GM-trained
service technicians who will perform this work using
genuine GM parts and reset the system.If the engine oil life system is ever reset accidentally,
you must service your vehicle within 3,000 miles
(5 000 km) since your last service. Remember to reset
the oil life system whenever the oil is changed. See
Engine Oil Life System on page 5-20for information on
the Engine Oil Life System and resetting the system.
When the change engine oil light or CHANGE ENGINE
OIL DIC message appears, certain services, checks,
and inspections are required. Required services
are described in the following for “MaintenanceI” and
“MaintenanceII.” Generally, it is recommended that your
rst service be MaintenanceI, your second service be
MaintenanceII, and that you alternate MaintenanceI
and MaintenanceIIthereafter. However, in some cases,
MaintenanceIImay be required more often.
MaintenanceI— Use MaintenanceIif the light or
message comes on within 10 months since the vehicle
was purchased or MaintenanceIIwas performed.
MaintenanceII— Use MaintenanceIIif the previous
service performed was MaintenanceI. Always use
MaintenanceIIwhenever the light or message comes
on 10 months or more since the last service or if the light
or message has not come on at all for one year.
6-4

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 5-16. Reset oil
life system. SeeEngine Oil Life System on page 5-20.An Emission
Control Service.••
Visually check for any leaks or damage.See footnote (j).••
Inspect engine air cleaner lter. If necessary, replace lter. SeeEngine Air
Cleaner/Filter on page 5-21.See footnote (k).•
Rotate tires and check ination pressures and wear. SeeTire Inspection and
Rotation on page 5-63and “Tire Wear Inspection” inAt Least Once a Month on
page 6-9.••
Inspect brake system.See footnote (a).••
Check engine coolant and windshield washer uid levels and add uid
as needed.••
Perform any needed additional services. See “Additional Required Services” in
this section.••
Inspect suspension and steering components.See footnote (b).•
Inspect engine cooling system.See footnote (c).•
Inspect wiper blades.See footnote (d).•
Inspect restraint system components.See footnote (e).•
Lubricate body components.See footnote (f).•
Check transmission uid level and add uid as needed.See footnote (g).•
6-5

(e)Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors, and anchorages
are working properly. Look for any other loose or
damaged safety belt system parts. If you see anything
that might keep a safety belt system from doing its
job, have it repaired. Have any torn or frayed safety belts
replaced. Also look for any opened or broken airbag
coverings, and have them repaired or replaced.
The airbag system does not need regular maintenance.
(f)Lubricate all key lock cylinders, hood latch
assembly, secondary latch, pivots, spring anchor,
release pawl, rear compartment hinges, outer liftgate
handle pivot points, rear door detent link, roller
mechanism, liftgate handle pivot points, latch bolt, fuel
door hinge, cargo door hinge, locks, and folding
seat hardware. More frequent lubrication may be
required when exposed to a corrosive environment.
Applying silicone grease on weatherstrips with a clean
cloth will make them last longer, seal better and not stick
or squeak.
(g)Inspect hoses for cracks, chang, leaks, kinks, and
proper installation.(h)Change automatic transmission uid and lter if the
vehicle is mainly driven under one or more of these
conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
(i)Drain, ush, and rell cooling system. This service
can be complex; you should have your dealer perform
this service. See Engine Coolant on page 5-25for
what to use. Inspect hoses. Clean radiator, condenser,
pressure cap, and ller neck. Pressure test the
cooling system and pressure cap.
(j)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the uid level checked. Add uid if needed.
(k)If you drive regularly under dusty conditions, inspect
the lter at each engine oil change.
(l)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.
6-8

Electrical System (cont.)
Rear Underseat Fuse Block.........................5-111
Windshield Wiper Fuses.............................5-102
Electronically Controlled Air Suspension
System......................................................4-55
Engine
Air Cleaner/Filter.........................................5-21
Battery.......................................................5-41
Change Engine Oil Light...............................3-46
Check and Service Engine Soon Light............3-42
Coolant......................................................5-25
Coolant Heater............................................2-22
Coolant Temperature Gage...........................3-41
Engine Compartment Overview......................5-12
Exhaust.....................................................2-34
Fan Noise..................................................5-35
Oil .............................................................5-16
Oil Life System...........................................5-20
Overheating................................................5-28
Reduced Power Light...................................3-47
Starting......................................................2-20
Entry Lighting.................................................3-18
Event Data Recorders (EDR)............................7-10
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-31F
Filter
Engine Air Cleaner......................................5-21
Finish Damage...............................................5-99
Fixed Mast Antenna.......................................3-143
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-73
Flat Tire, Changing.........................................5-74
Flat Tire, Storing.............................................5-88
Fluid
Automatic Transmission................................5-23
Power Steering...........................................5-36
Windshield Washer......................................5-37
Fog Lamps ....................................................3-17
Four-Wheel Drive....................................2-27, 5-48
Front Axle......................................................5-49
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Check Gas Cap Light...................................3-49
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-7
Gage .........................................................3-49
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
Low Warning Light.......................................3-49
5

Fuses
Engine Compartment Fuse Block.................5-103
Fuses and Circuit Breakers.........................5-103
Rear Underseat Fuse Block.........................5-111
Windshield Wiper.......................................5-102
G
Gage
Check Gages Warning Light..........................3-48
Engine Coolant Temperature.........................3-41
Fuel..........................................................3-49
Oil Pressure...............................................3-45
Speedometer..............................................3-33
Tachometer.................................................3-33
Voltmeter Gage...........................................3-38
Garage Door Opener.......................................2-51
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Gate Ajar Light...............................................3-48
Glove Box.....................................................2-56
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-8
Headlamps....................................................3-14
Automatic Headlamp System.........................3-16
Bulb Replacement.......................................5-50
Daytime Running Lamps...............................3-15
Electrical System.......................................5-102
Flash-to-Pass............................................... 3-8
Halogen Bulbs............................................5-50
Headlamps, Front Turn Signal, Sidemarker,
and Parking Lamps..................................5-50
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-15
Washer......................................................3-11
Heated Seats................................................... 1-4
Heater...........................................................3-20
Heater...........................................................3-23
Highbeam On Light.........................................3-47
Highway Hypnosis...........................................4-38
Hill and Mountain Roads..................................4-38
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-19
6

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

N
Navigation/Radio System, see
Navigation Manual.....................................3-124
New Vehicle Break-In......................................2-19
Normal Maintenance Replacement Parts............6-14
O
Odometer......................................................3-33
Odometer, Trip...............................................3-33
Off-Road Driving.............................................4-19
Off-Road Recovery..........................................4-16
Oil
Change Engine Oil Light...............................3-46
Engine.......................................................5-16
Pressure Gage............................................3-45
Oil, Engine Oil Life System..............................5-20
Older Children, Restraints................................1-32
Online Owner Center........................................ 7-3
OnStar
®System, see OnStar®Manual...............2-49
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-27
Outlet(s), Accessory Power...............................3-19
Outside
Convex Mirror.............................................2-48
Curb View Assist Mirror................................2-48
Heated Mirrors............................................2-48Outside (cont.)
Manual Mirrors............................................2-47
Power Mirrors.............................................2-47
Overhead Console..........................................2-56
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
P
Paint, Damage...............................................5-99
Park (P)
Shifting Into................................................2-32
Shifting Out of............................................2-33
Parking
Brake........................................................2-31
Over Things That Burn.................................2-34
Passenger Airbag Status Indicator.....................3-36
Passenger Sensing System..............................1-67
Passing.........................................................4-16
Passlock
®......................................................2-18
Power
Accessory Outlet(s)......................................3-19
Door Locks.................................................. 2-9
Electrical System.......................................5-102
Lumbar Controls........................................... 1-4
Rear Quarter Windows.................................2-16
Reduced Engine Light..................................3-47
Retained Accessory (RAP)............................2-20
9