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

GMC Terrain 2018-2025 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 2018-2025 Owners Manual: Approaching and Following a Vehicle

The vehicle ahead indicator is in the instrument cluster. It only displays when a vehicle is detected in your vehicle’s path moving in the same direction. If this symbol is not displaying, ACC will not respond to or brake for vehicles ahead. ACC automatically slows the vehicle down and adjusts vehicle speed to follow a detected vehicle ahead at the selected following gap...

GMC Terrain 2018-2025 Owners Manual: Battery - North America