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 2018-2026 Owners Manual: Warning Lights, Gauges, and Indicators

Warning lights and gauges can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gauges could prevent injury. Some warning lights come on briefly when the engine is started to indicate they are working. When one of the warning lights comes on and stays on while driving, or when one of th..

GMC Terrain 2018-2026 Owners Manual: Increasing Speed While Using Cruise Control

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. The speedometer reading can be displayed in either English or metric units. See Instrument Clu..