2008 GMC CANYON check engine

At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-32.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. On automatic transmission vehicles, try to start the
engine in each gear. The vehicle should start only in
PARK (P) or NEUTRAL (N). If the vehicle starts in
any other position, contact your dealer/retailer
for service.
On manual transmission vehicles, put the shift lever
in NEUTRAL, push the clutch pedal down halfway,
and try to start the engine. The vehicle should start
only when the clutch pedal is pushed down all the
way to the oor. If the vehicle starts when the clutch
pedal is not pushed all the way down, contact your
dealer/retailer for service.
Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-32.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to ON/RUN,
but do not start the engine. Without applying the
regular brake, try to move the shift lever out
of PARK (P) with normal effort. If the shift lever
moves out of PARK (P), contact your dealer/retailer
for service.
6-10

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK/OFF in each shift lever position.
With an automatic transmission, the ignition
should turn to LOCK/OFF only when the shift lever
is in PARK (P). The ignition key should come
out only in LOCK/OFF.
With a manual transmission, the ignition key should
come out only in LOCK/OFF.
Contact your dealer/retailer if service is required.
Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake,
set the parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK (P). Then
release the parking brake followed by the
regular brake.
Contact your dealer/retailer if service is required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-11

Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle suspension,
brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins’ give additional technical service
information needed to knowledgeably service
General Motors cars and trucks. Each bulletin contains
instructions to assist in the diagnosis and service of
your vehicle.
Owner Information
Owner publications are written specically for owners
and intended to provide basic operational information
about the vehicle. The owner manual includes the
Maintenance Schedule for all models.
In-Portfolio: Includes a Portfolio, Owner Manual, and
Warranty Booklet.
RETAIL SELL PRICE: $35.00 (U.S.) plus processing fee
Without Portfolio: Owner Manual only.
RETAIL SELL PRICE: $25.00 (U.S.) plus processing fee
Current and Past Model Order Forms
Technical Service Bulletins and Manuals are available
for current and past model GM vehicles. To request
an order form, specify year and model name of
the vehicle.
ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM - 6:00 PM
Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), visit Helm, Inc.
on the World Wide Web at: www.helminc.com
Or you can write to:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
Prices are subject to change without notice and without
incurring obligation. Allow ample time for delivery.
Note to Canadian Customers: All listed prices are
quoted in U.S. funds. Canadian residents are to make
checks payable in U.S. funds.
7-15

Audio System (cont.)
Theft-Deterrent Feature................................3-69
XM™ Satellite Radio Antenna System............3-70
Audio System(s).............................................3-48
Automatic Headlamp System............................3-15
Automatic Transmission
Fluid..........................................................5-21
Operation...................................................2-23
B
Battery..........................................................5-41
Electric Power Management..........................3-18
Run-Down Protection...................................3-18
Brake
Emergencies................................................ 4-5
Brakes..........................................................5-38
System Warning Light..................................3-31
Braking........................................................... 4-3
Braking in Emergencies..................................... 4-5
Break-In, New Vehicle.....................................2-19
Bulb Replacement...........................................5-49
Center High-Mounted Stoplamp (CHMSL)........5-51
Front Turn Signal, Parking and
Daytime Running Lamps...........................5-51
Halogen Bulbs............................................5-49
Headlamp Aiming........................................5-49
Headlamps.................................................5-50Bulb Replacement (cont.)
License Plate Lamps....................................5-53
Replacement Bulbs......................................5-53
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-52
Buying New Tires...........................................5-72
C
Calibration.............................................2-40, 2-43
California Fuel.................................................. 5-6
California Perchlorate Materials
Requirements............................................... 5-4
California Proposition 65 Warning....................... 5-3
Canadian Owners................................................ ii
Capacities and Specications..........................5-116
Carbon Monoxide...................2-10, 2-37, 4-27, 4-44
Care of
Safety Belts..............................................5-103
CD, MP3 .......................................................3-64
Center Console Storage Area...........................2-50
Center High-Mounted Stoplamp (CHMSL)...........5-51
Chains, Tire...................................................5-78
Charging System Light....................................3-30
Check
Engine Light...............................................3-34
Checking Things Under the Hood......................5-10
Chemical Paint Spotting.................................5-107
2

D
Daytime Running Lamps..................................3-14
Defensive Driving............................................. 4-2
Disc, MP3......................................................3-64
Doing Your Own Service Work........................... 5-4
Dome Lamp...................................................3-17
Dome Lamp Override......................................3-17
Door
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Programmable Automatic Door Locks............... 2-8
Rear Door Security Locks............................... 2-9
Rear Doors.................................................. 2-9
Driver Information Center (DIC).........................3-38
DIC Operation and Displays..........................3-38
DIC Warnings and Messages........................3-42
Driving
At Night.....................................................4-24
Before a Long Trip......................................4-25
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Highway Hypnosis.......................................4-25
Hill and Mountain Roads..............................4-26
In Rain and on Wet Roads...........................4-24
Off-Road....................................................4-11
Recovery Hooks..........................................4-31
Rocking Your Vehicle to Get it Out.................4-30
Winter........................................................4-27
E
EDR .............................................................7-16
Electrical System
Add-On Equipment.....................................5-110
Engine Compartment Fuse Block.................5-111
Fuses and Circuit Breakers.........................5-110
Windshield Wiper Fuses.............................5-110
Engine
Air Cleaner/Filter.........................................5-19
Check and Service Engine Soon Light............3-34
Coolant......................................................5-26
Coolant Heater............................................2-22
Coolant Temperature Gage...........................3-33
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-37
Fan Noise..................................................5-36
Oil .............................................................5-15
Oil Life System...........................................5-18
Overheating................................................5-29
Running While Parked..................................2-38
Starting......................................................2-21
Event Data Recorders.....................................7-16
Exit Lighting...................................................3-17
Extender, Safety Belt.......................................1-32
Exterior Cargo Lamps......................................3-16
Exterior Lamps...............................................3-13
4

O
Odometer......................................................3-25
Odometer, Trip...............................................3-25
Off-Road Driving.............................................4-11
Off-Road Recovery........................................... 4-9
Oil
Engine.......................................................5-15
Pressure Light.............................................3-36
Oil, Engine Oil Life System..............................5-18
Older Children, Restraints................................1-33
Online Owner Center........................................ 7-4
OnStar, Privacy..............................................7-17
OnStar
®System, see OnStar®Manual...............2-47
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-22
Outlets
Accessory Power.........................................3-18
Outside
Convex Mirror.............................................2-46
Manual Mirrors............................................2-45
Power Mirrors.............................................2-46
Owner Checks and Services.............................. 6-8
Owners, Canadian............................................... ii
P
Paint, Damage..............................................5-107
Park Brake....................................................2-32
Park (P)
Shifting Into................................................2-34
Shifting Out of............................................2-36
Parking
Over Things That Burn.................................2-37
Parking Your Vehicle.......................................2-37
Passenger Airbag Status Indicator.....................3-28
Passenger Sensing System..............................1-69
Passing........................................................... 4-9
PASS-Key
®III+..............................................2-17
PASS-Key®III+ Operation................................2-17
Passlock®......................................................2-16
Perchlorate Materials Requirements, California...... 5-4
Pickup Conversion to Chassis Cab....................4-38
Power
Door Locks.................................................. 2-8
Lumbar Controls........................................... 1-4
Retained Accessory (RAP)............................2-21
Seat............................................................ 1-3
Steering Fluid.............................................5-36
Windows....................................................2-13
9

Privacy..........................................................7-16
Event Data Recorders..................................7-16
Navigation System.......................................7-17
OnStar.......................................................7-17
Radio Frequency Identication.......................7-17
Programmable Automatic Door Locks.................. 2-8
R
Radiator Pressure Cap....................................5-29
Radio Frequency Identication (RFID), Privacy......7-17
Radios..........................................................3-46
Radio(s)........................................................3-48
Radios
Reception...................................................3-69
Setting the Time..........................................3-47
Theft-Deterrent............................................3-69
Rear Axle......................................................5-46
Limited-Slip.................................................. 4-6
Rear Door Security Locks.................................. 2-9
Rear Doors...................................................... 2-9
Rear Seat Operation.................................1-9, 1-10
Rear Storage Area..........................................2-51
Rearview Mirror, Automatic Dimming..................2-40
Rearview Mirror, Automatic Dimming with
Compass and Temperature Display................2-43
Rearview Mirror, Automatic Dimming with OnStar
®,
Compass and Temperature Display..................2-40Rearview Mirror with OnStar
®...........................2-39
Rearview Mirrors.............................................2-39
Reclining Seatbacks.......................................... 1-5
Recommended Fluids and Lubricants.................6-12
Recovery Hooks.............................................4-31
Recreational Vehicle Towing.............................4-38
Remote Keyless Entry (RKE) System.................. 2-4
Remote Keyless Entry (RKE) System,
Operation..................................................... 2-5
Removing the Flat Tire and Installing
the Spare Tire.............................................5-84
Removing the Spare Tire and Tools...................5-81
Replacement Bulbs.........................................5-53
Replacement Parts, Maintenance......................6-14
Reporting Safety Defects
Canadian Government..................................7-14
General Motors...........................................7-14
United States Government............................7-14
Restraint System Check
Checking the Restraint Systems....................1-75
Replacing Restraint System Parts
After a Crash..........................................1-76
Retained Accessory Power (RAP)......................2-21
Roadside
Assistance Program....................................... 7-7
Rocking Your Vehicle to Get it Out....................4-30
Routing, Engine Drive Belt...............................6-15
Running the Engine While Parked.....................2-38
10