GMC Terrain: Setting Adaptive Cruise Control / Accessory Installations and Vehicle Modifications

Do not install or place any object around the front camera windshield area that would obstruct the front camera view.

Do not install objects on top of the vehicle that overhang and obstruct the front camera, such as a canoe, kayak, or other items that can be transported on a roof rack system. See Roof Rack System.

Do not modify the hood, headlamps, or fog lamps, as this may limit the camera’s ability to detect an object.

    Lighting Conditions Affecting ACC

    The ACC front camera can be affected by poor lighting conditions, and ACC may have limited performance when: There are changes in brightness, such as entering and exiting tunnels, bridges, and overpasses...

    Cleaning the Sensing System

    The camera sensor on the windshield behind the rearview mirror can become blocked by snow, ice, dirt, mud, or debris. This area needs to be cleaned for ACC to operate properly...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Towing the Vehicle


    Caution Incorrectly towing a disabled vehicle may cause damage. The damage would not be covered by the vehicle warranty. Do not lash or hook to suspension components. Use the proper straps around the tires to secure the vehicle. Do not drag a locked wheel/tire while loading the vehicle...

    GMC Terrain 2018-2026 Owners Manual: How Does an Airbag Restrain?


    In moderate to severe frontal or near frontal collisions, even belted occupants can contact the steering wheel or the instrument panel. In moderate to severe side collisions, even belted occupants can contact the inside of the vehicle. Airbags supplement the protection provided by seat belts by distributing the force of the impact more evenly over the occupant's body...

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      Vehicle Messages

      Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may appear one after another.

      The messages that do not require immediate action can be acknowledged and cleared by pressing V. The messages that require immediate action cannot be cleared until that action is performed.

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