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 Exhaust

Engine Exhaust Warning Engine exhaust contains carbon monoxide (CO), which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if: The vehicle idles in areas with poor ventilation (parking garages, tunnels, deep snow that may block underbody airflow or tail pipes)...

GMC Terrain 2018-2026 Owners Manual: Dual Automatic Climate Control System