GMC Terrain: Setting Cruise Control / Ending Cruise Control

Using Cruise Control on Hills

How well the cruise control works on hills depends upon the vehicle speed, load, and the steepness of the hills. When going up steep hills, you might have to step on the accelerator pedal to maintain the vehicle speed...

Erasing Speed Memory

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

Other information:

GMC Terrain 2018-2024 Owners Manual: Filling the DEF Tank

Caution Use only DEF that is GM approved, or fluid containing the API certified or ISO 22241 label. The use of other fluids could damage the system, requiring costly repairs that will not be covered by the vehicle warranty. Caution Do not mix fuel with DEF, and do not put DEF in the fuel tank. This could lead to costly repairs that might not be covered by the vehicle warranty. It is rec..

GMC Terrain 2018-2024 Owners Manual: Driving Characteristics and Towing Tips

Warning You can lose control when towing a trailer if the correct equipment is not used or the vehicle is not driven properly. For example, if the trailer is too heavy or the trailer brakes are inadequate for the load, the vehicle may not stop as expected. You and others could be seriously injured. The vehicle may also be damaged, and the repairs would not be covered by the vehicle warr..