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

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

    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: Infotainment System


    Infotainment See the infotainment manual for information on the radio, audio players, phone, navigation system, and voice or speech recognition. It also includes information on settings. Active Noise Cancellation (ANC) If equipped, ANC reduces engine noise in the vehicle’s interior...

    GMC Terrain 2018-2026 Owners Manual: Recommended Fuel (LYX - 1.5L L4 Turbo Engine, LTG - 2.0L L4 Turbo Engine)


    LYX - 1.5L L4 Turbo Engine Do not use any fuel labeled E85 or FlexFuel. Do not use gasoline with ethanol levels greater than 15% by volume. Use regular unleaded gasoline meeting ASTM specification D4814 with a posted octane rating of 87 or higher...

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