GMC Terrain: Setting Adaptive Cruise Control / Other Vehicle Lane Changes

Curves in the Road

Warning On curves, ACC may not detect a vehicle ahead in your lane. You could be startled if the vehicle accelerates up to the set speed, especially when following a vehicle exiting or entering exit ramps...

Objects Not Directly in Front of Your Vehicle

The detection of objects in front of the vehicle may not be possible if: The vehicle or object ahead is not within your lane. The vehicle ahead is shifted, not centered, or is shifted to one side of the lane...

Other information:

GMC Terrain 2018-2024 Owners Manual: Shifting out of Park

This vehicle is equipped with an electronic transmission. If the vehicle has an uncharged battery or a battery with low voltage, try charging or jump starting the battery. See Jump Starting - North America. To shift out of P (Park): Ensure the engine is running...

GMC Terrain 2018-2024 Owners Manual: When Should an Airbag Inflate?

This vehicle is equipped with airbags. See Airbag System. Airbags are designed to inflate if the impact exceeds the specific airbag system's deployment threshold. Deployment thresholds are used to predict how severe a crash is likely to be in time for the airbags to inflate and help restrain the occupants...