GMC Terrain: Setting Adaptive Cruise Control / Disengaging ACC

Do Not Use ACC on Hills and When Towing a Trailer

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...

Erasing Speed Memory

The ACC set speed is erased from memory if is pressed or if the ignition is turned off...

Other information:

GMC Terrain 2018-2025 Owners Manual: Head Restraint Adjustment and Seat Belts

Head Restraint Adjustment Do not drive until the head restraints for all occupants are installed and adjusted properly. To achieve a comfortable seating position, change the seatback recline angle as little as necessary while keeping the seat and the head restraint height in the proper position. See Head Restraints and Seat Adjustment. Seat Belts Refer to the following sections for impor..

GMC Terrain 2018-2025 Owners Manual: Running Out of Fuel (Diesel)

Warning Diesel fuel is flammable. It could start a fire if something ignites it, and people could be burned. Do not let it get on hot engine parts, and keep matches or other ignition sources away. If the engine has stalled due to running out of fuel, add at least 7.6 L (2 gal) of fuel if parked on a level surface, or up to 18.9 L (5 gal) of fuel if parked on a slope, and perform the proc..