GMC Terrain: Setting Adaptive Cruise Control / Do Not Use ACC on Hills and When Towing a Trailer

GMC Terrain. 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.

    Driving in Narrow Lanes

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    Disengaging ACC

    There are three ways to disengage ACC: Step lightly on the brake pedal. Press . Press . ..

    Other information:

    GMC Terrain 2018-2021 Owners Manual: Forward Collision Alert (FCA) System and Forward Automatic Braking (FAB)


    Forward Collision Alert (FCA) System If equipped, FCA may help avoid or reduce the harm caused by front-end crashes. FCA provides a green indicator, , when a vehicle is detected ahead. This indicator displays amber if you follow a vehicle too closely. When approaching a vehicle ahead too quickly, FCA provides a flashing red alert on the windshield and rapidly beeps or pulses the driver s..

    GMC Terrain 2018-2021 Owners Manual: Manual Mode


    Electronic Range Select (ERS) Mode ERS or manual mode allows for the selection of the range of gear positions. Use this mode when driving downhill or towing a trailer to limit the top gear and vehicle speed. The shift position indicator within the Driver Information Center (DIC) will display a number next to the L indicating the highest available gear under manual mode and the driving c..

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