GMC Terrain: Service and Maintenance / Special Application Services

  • Severe Commercial Use Vehicles Only: Lubricate chassis components every oil change.
  • Have underbody flushing service performed. See "Underbody Maintenance" in Exterior Care.

    Maintenance Schedule

    Owner Checks and Services At Each Fuel Stop Check the engine oil level. See Engine Oil. Once a Month Check the tire inflation pressures. See Tire Pressure...

    Additional Maintenance and Care

    Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required...

    Other information:

    GMC Terrain 2018-2023 Owners Manual: Manual Reclining Seatbacks


    Warning If either seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and pull on the seatbacks to be sure they are locked. To recline a manual seatback: Lift the lever...

    GMC Terrain 2018-2023 Owners Manual: Engine Drive Belt Routing


    1.5L L4 Gas Engine 1.6L L4 Diesel Engine 2.0L L4 Gas Engine..

      Categories

      Vehicle Personalization

      The following are all possible vehicle personalization features. Depending on the vehicle, some may not be available.

      For System, Apps, and Personal features and functions, see “Settings” in the infotainment manual.

      To access the vehicle personalization menu:

      Touch the Settings icon on the Home Page of the infotainment display. Touch Vehicle to display a list of available options. Touch to select the desired feature setting. Touch GMC Terrain. Vehicle Personalization or R to turn a feature off or on. Touch GMC Terrain. Vehicle Personalization to go to the top level of the Settings menu.

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