GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
13566643) - 2020 - CRC - 10/4/19
296 Vehicle Care
Dinghy Towing
Two-Wheel-Drive Vehicles
Caution
If the two-wheel-drive vehicle is
towed with all four wheels on the
ground, the drivetrain
components could be damaged.
The repairs would not be covered
by the vehicle warranty.
Two-wheel-drive vehicles should not
be towed with all four wheels on the
ground. Four-Wheel-Drive Vehicles
Only dinghy tow four-wheel-drive
vehicles that have an N (Neutral)
and a Four-Wheel Drive Low (4 (
n)
setting.
{Warning
Shifting a four-wheel-drive
vehicle's transfer case into
N (Neutral) can cause the vehicle
to roll even if the transmission is
in P (Park). You or others could
(Continued)
Warning (Continued)
be injured. Set the parking brake
before shifting the transfer case
to N (Neutral).
To dinghy tow: 1. Position the vehicle being towed behind the tow vehicle,
facing forward and on a level
surface.
2. Securely attach the vehicle being towed to the tow vehicle.
3. Apply the parking brake and start the engine.
4. Shift the transfer case to N (Neutral). See “Shifting into
N (Neutral)” underFour-Wheel
Drive 0174. Check that the
vehicle is in N (Neutral) by
shifting the transmission to
R (Reverse) and then to
D (Drive). There should be no
movement of the vehicle while
shifting.
GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
13566643) - 2020 - CRC - 10/4/19
Vehicle Care 297
5. With the engine off, leave thekey in ACC/ACCESSORY to
prevent the steering column
from locking.
Caution
Failure to disconnect the negative
battery cable or to have it contact
the terminals can cause damage
to the vehicle.
6. Disconnect the negative battery cable at the battery and
secure the nut and bolt. Cover
the negative battery post with a
non-conductive material to
prevent any contact with the
negative battery terminal.
Caution
If the steering column is locked,
vehicle damage may occur.
7. Move the steering wheel to make sure the steering column
is unlocked. 8. With a foot on the brake pedal,
release the parking brake.
Keep the ignition key in the
towed vehicle in ACC/
ACCESSORY to prevent the
steering column from locking.
Disconnecting the Towed Vehicle
Before disconnecting the towed
vehicle: 1. Park on a level surface.
2. Set the parking brake, then shift the transmission to
P (Park), and move the ignition
key to OFF.
3. Connect the battery.
4. With your foot off the brake, turn the ignition on with the
engine off.
5. Shift the transfer case out of N (Neutral) to Two-Wheel Drive
High. See “Shifting out of
N (Neutral)” underFour-Wheel
Drive 0174. See your dealer if
the transfer case cannot be
shifted out of N (Neutral). 6. Start the engine and check that
the vehicle is in Two-Wheel
Drive High by shifting the
transmission to R (Reverse)
and then to D (Drive). There
should be movement of the
vehicle while shifting.
7. Shift the transmission to P (Park) and turn off the
ignition.
8. Disconnect the vehicle from the tow vehicle.
9. Release the parking brake.
10. Reset any lost presets. The outside temperature
display will default to 0 °C
(32 °F) but will reset with
normal usage.
GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
13566643) - 2020 - CRC - 10/4/19
298 Vehicle Care
Dolly Towing
Front Towing (Front Wheels Off
the Ground)–Two-Wheel-Drive
Vehicles
Caution
If a two-wheel-drive vehicle is
towed with the rear wheels on the
ground, the transmission could be
damaged. The repairs would not
be covered by the vehicle
warranty. Never tow the vehicle
with the rear wheels on the
ground. Front Towing (Front Wheels Off
the Ground)
–Four-Wheel-Drive
Vehicles
To dolly tow a four-wheel-drive
vehicle from the front:
1. Attach the dolly to the tow vehicle following the dolly
manufacturer's instructions.
2. Drive the front wheels onto the dolly.
3. Shift the transmission to P (Park).
4. Set the parking brake.
{Warning
Shifting a four-wheel-drive
vehicle's transfer case into
N (Neutral) can cause the vehicle
to roll even if the transmission is
in P (Park). You or others could
be injured. Set the parking brake
before shifting the transfer case
to N (Neutral).
5. Use a clamping device designed for towing to ensure
that the front wheels are locked
into the straight position.
6. Secure the vehicle to the dolly following the manufacturer's
instructions.
7. Shift the transfer case to N (Neutral). See “Shifting into
N (Neutral)” underFour-Wheel
Drive 0174 for the proper
procedure.
8. Release the parking brake only after the vehicle being towed is
firmly attached to the tow
vehicle.
GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
13566643) - 2020 - CRC - 10/4/19
312 Service and Maintenance
.Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil 0227 and
Engine Oil Life System 0229.
. Check engine coolant level. See
Cooling System 0233.
. Check windshield washer fluid
level. See Washer Fluid 0238.
. Check tire inflation pressures,
including the spare. See Tire
Pressure 0264.
. Inspect tire wear. See Tire
Inspection 0271.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 231.
. Inspect brake system. See
Exterior Care 0299. .
Visually inspect steering,
suspension, and chassis
components for damage,
including cracks or tears in the
rubber boots, loose or missing
parts, or signs of wear at least
once a year. See Exterior Care
0 299.
. Inspect power steering for
proper attachment, connections,
binding, leaks, cracks,
chafing, etc.
. Visually inspect halfshafts and
driveshafts for excessive wear,
lubricant leaks, and/or damage
including: tube dents or cracks,
constant velocity joint or
universal joint looseness,
cracked or missing boots, loose
or missing boot clamps, center
bearing excessive looseness,
loose or missing fasteners, and
axle seal leaks.
. Check restraint system
components. See Safety System
Check 042. .
Visually inspect fuel system for
damage or leaks.
. Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
. Lubricate body components. See
Exterior Care 0299.
. Check starter switch. See Starter
Switch Check 0242.
. Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
0242.
. Check ignition transmission lock.
See Ignition Transmission Lock
Check 0243.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 243.
. Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
13566643) - 2020 - CRC - 10/4/19
352 Index
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 221
Accessory Power . . . . . . . . . . . . . . . 165
Active Fuel Management . . . . . . . 168
Add-On Electrical Equipment . . . 217
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 345
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 318
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 30
Air Cleaner/Filter, Engine . . . . . . . 231
Air Conditioning . . . . . . . . . . . 134, 136
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 140
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 139
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 55
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 48
Passenger Sensing System . . . . 50
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 48
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . 48
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 47 Airbag System (cont'd)
Where Are the Airbags? . . . . . . . . 45
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 54
Passenger Status Indicator . . . 105
Readiness Light . . . . . . . . . . . . . . 105
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 54
System Check . . . . . . . . . . . . . . . . . . 44
Alarm Vehicle Security . . . . . . . . . . . . . . . . 19
All-Season Tires . . . . . . . . . . . . . . . . 258
All-Terrain Tires . . . . . . . . . . . . . . . . . 259
Antilock Brake System (ABS) . . . 181 Warning Light . . . . . . . . . . . . . . . . . 109
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 299
Interior . . . . . . . . . . . . . . . . . . . . . . . . 304
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 333
Assistance Systems for Parking and Backing . . . . . . . . . . 189
Automatic Climate Control System . . . . . . . 136
Door Locks . . . . . . . . . . . . . . . . . . . . . 17
Headlamp System . . . . . . . . . . . . 127
Transmission . . . . . . . . . . . . . . . . . 169
GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
13566643) - 2020 - CRC - 10/4/19
Index 353
Automatic (cont'd)Transmission Fluid . . . . . . . . . . . 231
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 172
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . 242
Axle, Front . . . . . . . . . . . . . . . . . . . . . . 242
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 242
B
Battery Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 132
Load Management . . . . . . . . . . . . 131
Power Protection . . . . . . . . . . . . . 132
Battery - North America . . . . 240, 291
Blade Replacement, Wiper . . . . . 243
Blind Spot Mirrors . . . . . . . . . . . . . . . 22
Brake System Warning Light . . . . . . . . 109
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Antilock . . . . . . . . . . . . . . . . . . . . . . . 181
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 182
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Parking . . . . . . . . . . . . . . . . . . . . . . . 181
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 144
Break-In, New Vehicle . . . . . . . . . . 160 Bulb Replacement
Center High-Mounted
Stoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . 248
Halogen Bulbs . . . . . . . . . . . . . . . . 246
Headlamp Aiming . . . . . . . . . . . . . 246
Headlamps . . . . . . . . . . . . . . . . . . . 246
Headlamps, Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . . . 246
Taillamps, Turn Signal,
Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 247
Buying New Tires . . . . . . . . . . . . . . . 273
C
Calibration . . . . . . . . . . . . . . . . . . . . . . . 93
California Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 221
California
Proposition
65 Warning . . . . . . . . . .220, 240, 291, Back Cover
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . . . 326 Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 168
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . 18
Winter Driving . . . . . . . . . . . . . . . . 152
Caution, Danger, and Warning . . . . 3
Center Console Storage . . . . . . . . . 89
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . . . 248
Chains, Tire . . . . . . . . . . . . . . . . . . . . 277
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . . . 94
Charging System Light . . . . . . . . . 106
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 107
Ignition Transmission Lock . . . 243
Child Restraints Infants and Young Children . . . . . 58
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . 63
Older Children . . . . . . . . . . . . . . . . . . 56
Securing . . . . . . . . . . . . . . . . . . . . 79, 84
Systems . . . . . . . . . . . . . . . . . . . . . . . . 60
Circuit Breakers . . . . . . . . . . . . . . . . 249
Cleaning
Exterior Care . . . . . . . . . . . . . . . . . 299
Interior Care . . . . . . . . . . . . . . . . . . 304
GMC Canyon/Canyon Denali Owner Manual (GMNA-Localizing-U.S./Canada-
13566643) - 2020 - CRC - 10/4/19
358 Index
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 324
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 318
Maintenance Schedule . . . . . . . . . 311 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 321
Transfer Case . . . . . . . . . . . . . . . . 174
Malfunction Indicator Lamp . . . . . 107
Manual Mirrors . . . . . . . . . . . . . . . . . . 21
Manual Mode . . . . . . . . . . . . . . . . . . . 172
Messages Engine Power . . . . . . . . . . . . . . . . 121
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 121
Vehicle Speed . . . . . . . . . . . . . . . . 121
Mirrors Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 24
Blind Spot . . . . . . . . . . . . . . . . . . . . . . 22
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 21
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 22
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 22
Manual . . . . . . . . . . . . . . . . . . . . . . . . . 21
Manual Rearview . . . . . . . . . . . . . . . 23
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Mirrors, Interior Rearview . . . . . . . . 23 Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . . . 265
N
Navigation
Connected Services . . . . . . . . . . 349
New Vehicle Break-In . . . . . . . . . . . 160
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 102
Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 146 Driving . . . . . . . . . . . . . . . . . . . . . . . . 146
Recovery . . . . . . . . . . . . . . . . . . . . . 145
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 227
Engine Oil Life System . . . . . . . 229
Pressure Light . . . . . . . . . . . . . . . . .112
Older Children, Restraints . . . . . . . 56
Online Owner Center . . . . . . . . . . . 332
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 342
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 345
OnStar Emergency . . . . . . . . . . . . . 344
OnStar Overview . . . . . . . . . . . . . . . 343
OnStar Security . . . . . . . . . . . . . . . . 345
Operation Fog Lamps . . . . . . . . . . . . . . . . . . . 129 Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Overheating, Engine . . . . . . . . . . . . 236
Overview Instrument Panel . . . . . . . . . . . . . . . . 5
P
ParkShifting Out of . . . . . . . . . . . . . . . . 167
Park Assist . . . . . . . . . . . . . . . . . . . . . 189
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . 181
Brake and P (Park)
Mechanism Check . . . . . . . . . . 243
Over Things That Burn . . . . . . . 167
Parking or Backing Assistance Systems . . . . . . . . . . 189
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 105
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Passenger Sensing System . . . . . 50
Perchlorate Materials Requirements, California . . . . . . 221
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 122
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 17