GMC Terrain: Instruments and Controls / Information Displays

Cruise Control Light

The cruise control light is white when the cruise control is on and ready, and turns green when the cruise control is set and active. See Cruise Control...

Driver Information Center (DIC) (Base and Midlevel)

The DIC displays are shown in the center of the instrument cluster in the Info app. See Instrument Cluster (Base and Midlevel) or Instrument Cluster (Uplevel)...

Other information:

GMC Terrain 2018-2026 Owners Manual: Weather Conditions Affecting ACC

If the interior temperature is extremely high, the instrument cluster may indicate that ACC is temporarily unavailable. This can be caused by extreme hot weather conditions with direct sunlight on the front camera. ACC will return to normal operation once the cabin temperature is lower...

GMC Terrain 2018-2026 Owners Manual: Lumbar Adjustment and Reclining Seatbacks

Lumbar Adjustment If equipped, press and hold the front or rear of the control to increase or decrease lumbar support. Reclining Seatbacks Warning Sitting in a reclined position when the vehicle is in motion can be dangerous. Even when buckled up, the seat belts cannot do their job...