GMC Terrain: Setting Cruise Control / Reducing Speed While Using Cruise Control

GMC Terrain 2018-2026 Owners Manual / Driving and Operating / Cruise Control / Setting Cruise Control / Reducing Speed While Using Cruise Control

If the cruise control system is already activated:

Press and hold –SET until the desired lower speed is reached, then release it.
To slow down in small increments, briefly press –SET. For each press, the vehicle goes about 1 km/h (1 mph) slower.

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

See Instrument Cluster (Base and Midlevel) or Instrument Cluster (Uplevel). The increment value used depends on the units displayed.

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...

Passing Another Vehicle While Using Cruise Control

Use the accelerator pedal to increase the vehicle speed. When you take your foot off the pedal, the vehicle will slow down to the previous set cruise speed...

Other information:

GMC Terrain 2018-2026 Owners Manual: Engine Heater

Warning Do not plug in the engine block heater while the vehicle is parked in a garage or under a carport. Property damage or personal injury may result. Always park the vehicle in a clear open area away from buildings or structures. The engine heater, if available, can help in cold weather conditions at or below −18 °C (0 °F) for easier starting and better fuel economy during engine..

GMC Terrain 2018-2026 Owners Manual: Diesel