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: Power Seat Adjustment

Warning The power seats will work with the ignition off. Children could operate the power seats and be injured. Never leave children alone in the vehicle. To adjust a power seat, if equipped: Move the seat forward or rearward by sliding the control forward or rearward...

GMC Terrain 2018-2026 Owners Manual: Diesel

Warning Filling a portable fuel container while it is in the vehicle can cause fuel vapors that can ignite either by static electricity or other means. You or others could be badly burned and the vehicle could be damaged. Always: Use approved fuel containers...