Hill Descent Control (Hdc) - GMC 2017 Canyon Owner's Manual

258 Driving and Operating
Caution
Do not repeatedly brake or
accelerate heavily when TCS is
off. The vehicle driveline could be
damaged.
To turn off only TCS, press and
release . The Traction Off light
displays in the instrument cluster. To
turn TCS on again, press and
release . The Traction Off light
displayed in the instrument cluster
will turn off.
If TCS is limiting wheel spin when
is pressed, the system will not turn
off until the wheels stop spinning.
To turn off both TCS and StabiliTrak,
press and hold until the Traction
Off light and StabiliTrak Off
light come on and stay on in the
instrument cluster. To turn TCS and
StabiliTrak on again, press and
release . The Traction Off light
and StabiliTrak Off light
instrument cluster turn off.
StabiliTrak will automatically turn on
if the vehicle exceeds 56 km/h
(35 mph). Traction control will
remain off until the driver presses
or the ignition is cycled Off then On.
Adding accessories can affect the
vehicle performance. See
Accessories and
Modifications 0 283.
Hill Descent
Control (HDC)
If equipped, HDC can be used when
driving downhill. It sets and
maintains vehicle speed while
descending a very steep incline in a
forward or reverse gear.
The HDC switch is on the center
stack, below the climate controls.
Press to enable or disable HDC.
Vehicle speed must be below
60 km/h (37 mph).
in the
The HDC light displays on the
instrument cluster when enabled.
HDC can maintain vehicle speeds
between 4 and 30 km/h (3 and
19 mph) on an incline greater than
or equal to a 10% grade. A blinking
HDC light indicates that the system
is actively applying the brakes to
maintain vehicle speed.
When HDC is set, that is the initial
set speed. It can be increased or
decreased by applying the
accelerator or brake pedal. Smaller
HDC speed control adjustments are
accomplished using the cruise up or
down buttons. Each tap of the
+RES will increase the set speed by
0.8 km/h (0.5 mph), while each tap
of the SET will decrease the set
speed by 0.8 km/h (0.5 mph). This
adjusted speed becomes the new
set speed.