GMC Terrain: Setting Adaptive Cruise Control / Objects Not Directly in Front of Your Vehicle

Other Vehicle Lane Changes

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Driving in Narrow Lanes

Vehicles in adjacent traffic lanes or roadside objects may be incorrectly detected when located along the roadway...

Other information:

GMC Terrain 2018-2025 Owners Manual: (TCS) / (ESC). Turning the Systems Off and On (Base Level DIC)

Caution Do not repeatedly brake or accelerate heavily when TCS is off. The vehicle driveline could be damaged. At speeds of 56 km/h (35 mph) or above, this ability to turn off or on is disabled. TCS and StabiliTrak/ESC can be turned off or on using the DIC controls as follows: Press or to select VEHICLE menu, then use or to scroll through the menu items to select TCS/StabiliTrak/ESC..

GMC Terrain 2018-2025 Owners Manual: Approaching and Following a Vehicle

The vehicle ahead indicator is in the instrument cluster. It only displays when a vehicle is detected in your vehicle’s path moving in the same direction. If this symbol is not displaying, ACC will not respond to or brake for vehicles ahead. ACC automatically slows the vehicle down and adjusts vehicle speed to follow a detected vehicle ahead at the selected following gap. The vehicle ..