GMC Terrain: Setting Adaptive Cruise Control / Driving in Narrow Lanes

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...

Do Not Use ACC on Hills and When Towing a Trailer

Do not use ACC when driving on steep hills or when towing a trailer. ACC will not detect a vehicle in the lane while driving on steep hills. If the brakes are applied, ACC disengages...

Other information:

GMC Terrain 2018-2026 Owners Manual: Turning the Features On or Off

The button on the center console is used to turn on or off the Front and Rear Park Assist and the Rear Cross Traffic Alert (RCTA). The indicator light in the button comes on when the features are on and turns off when the features have been disabled...

GMC Terrain 2018-2026 Owners Manual: Surround Vision. Front Vision Camera and Rear Vision Camera (RVC)

Surround Vision If equipped, views around the vehicle appear in the infotainment display to aid with parking and low-speed maneuvers. See “Surround Vision” under Assistance Systems for Parking or Backing. Front Vision Camera If equipped, a view of the area in front of the vehicle appears on the infotainment display to aid with parking and low-speed maneuvers...