GMC Terrain: Setting Adaptive Cruise Control / Driving in Narrow Lanes
Vehicles in adjacent traffic lanes or
roadside objects may be incorrectly
detected when located along the
roadway.
The detection of objects in front of
the vehicle may not be possible if:
The vehicle or object ahead is
not within your lane.
The vehicle ahead is shifted, not
centered, or is shifted to one
side of the lane...
Do not use ACC when driving on
steep hills or when towing a trailer.
ACC will not detect a vehicle in the
lane while driving on steep hills.
If the brakes are applied, ACC
disengages...
Other information:
Caution
Do not repeatedly brake or
accelerate heavily when TCS is
off. The vehicle driveline could be
damaged.
At speeds of 56 km/h (35 mph) or
above, this ability to turn off or on is
disabled.
TCS and StabiliTrak/ESC can be
turned off or on using the DIC
controls as follows:
Press or
to scroll to the
Options application...
If the cruise control system is
already activated:
Press and hold +RES on the
steering wheel until the vehicle
accelerates to the desired
speed, then release it.
To increase the speed in small
increments, briefly press +RES.
For each press, the vehicle goes
about 1 km/h (1 mph) faster...