GMC Canyon 2023 Owner's Manual page 184

GMC Canyon Owner Manual (GMNA-Localizing-MidEast-16512225) - 2023 -
CRC - 3/20/23
184 Driving and Operating
Caution
If you try to lock the axle while the
vehicle is stuck and the tires are spinning,
the vehicle s drivetrain could be damaged.
The repairs would not be covered by the
vehicle warranty. Always lock the axle
before attempting situations and/or
navigating terrain that could cause the
vehicle to become stuck.
Caution
If the vehicle s axle is locked while driving
on pavement, the drivetrain could be
damaged. Repairs would not be covered
by the vehicle warranty. Do not use the
locking axle on pavement.
Warning
Driving on pavement with a locked front
axle may cause reduction to or complete
loss of steering assist, which could result
in serious injury, death, or property
damage. Do not use the locking front
axle on pavement.
Before the front axle can be locked, the
transfer case must be in 4 .
To lock the front axle, press the front/rear
axle locking switch. If it was not already
locked, the rear axle will lock first followed
by the front axle
To lock the front and rear axles:
1. Place the transfer case in 4 . This is the
only mode that allows the front axle to
lock. See Four-Wheel Drive 0 171 for more
information regarding the transfer case
and four-wheel drive low operation.
2. Press the front/rear axle locking switch
with the vehicle stopped or moving less
than 30 km/h (20 mph).
3. Wait for the light in the switch to stop
flashing and remain illuminated to show
that the front axle is locked. Engagement
of the front axle lock will disable the
Antilock Brake System (ABS) and
illuminate the ABS warning light. The
wheels may lock up in this condition
when decelerating from either applying
the brake pedal or automatic braking in
Terrain Mode. See Driver Mode Control
0 178. If this occurs, press the accelerator
pedal to unlock the wheels. Hill Decent
Control (HDC) will also be disabled when
the front axle lock is engaged.
If the electronic locking differential has
difficulty engaging, release the
accelerator pedal.
To unlock the front axle, perform one of the
following actions:
Press the rear axle locking switch. The
front axle unlocks and the rear axle
remains locked. See Locking Rear Axle
0 183.
Press the front/rear axle locking switch.
The front and rear axles both unlock.
The locking front axle will be disengaged
when the vehicle speed exceeds 30 km/h
(20 mph) or the transfer case is shifted out
of 4 .
ABS will be automatically enabled and the
ABS warning light will turn off when the
locking front axle is disengaged.
Do not lock the front axle while in Terrain
Mode when driving on slippery roads. If the
front axle is locked while in Terrain mode,
the ABS warning light appears indicating