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GMC TERRAIN 2022 - Driver Mode Control; Hill Descent Control (HDC)

GMC TERRAIN 2022
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GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-MidEast-
15231009) - 2022 - CRC - 5/25/21
206 Driving and Operating
Hill Descent Control (HDC)
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 console.
Press
5 to enable or disable HDC. Vehicle
speed must be below 50 km/h (31 mph).
The HDC light displays on the instrument
cluster when enabled.
HDC can maintain vehicle speeds between
3 and 22 km/h (2 and 14 mph) on an incline
greater than or equal to a 10% grade.
A blinking HDC light indicates the system is
actively applying the brakes to maintain
vehicle speed.
When HDC is activated, the initial HDC
speed is set to the current driving speed.
It can be increased or decreased by pressing
+RES or SET on the steering wheel or by
applying the accelerator or brake pedal. This
adjusted speed becomes the new set speed.
HDC will remain enabled between 22 and
60 km/h (14 and 37 mph); however vehicle
speed cannot be set or maintained in this
range. It will automatically disable if the
vehicle speed is above 80 km/h (50 mph) or
above 60 km/h (37 mph) for at least
30 seconds. Press
5 again to re-enable HDC.
Driver Mode Control
Depending on the option package and
available features, the Driver Mode Control
can have the following Modes: Tour (FWD),
All-Wheel Drive (AWD), Snow/Ice, Off-Road,
and Tow/Haul.
Rotate the Driver Mode Control knob on the
center console to make a mode selection.
Continue turning the knob through the
available modes. Upon selection of a mode,
the selected modes icon will light up on the
knob and a message will be displayed in the
Driver Information Center (DIC).
Driver Mode Control Knob for Front-Wheel
Drive (FWD)
Driver Mode Control Knob for All-Wheel
Drive (AWD)

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