GMC Terrain: Bulb Replacement / Front Turn Signal Lamps

To replace one of these bulbs:

  1. Open the hood. See Hood.

    GMC Terrain. Front Turn Signal Lamps

  2. Remove the bulb access cap from the top of the headlamp assembly by turning it counterclockwise.

    GMC Terrain. Front Turn Signal Lamps

  3. Remove the bulb from the bulb socket by pinching the tabs on either side of the bulb and pull straight out.
  4. Install the new bulb in the bulb socket.
  5. Install the bulb access cap onto the headlamp assembly by turning clockwise.

    LED Lighting

    T..

    Taillamps

    To replace one of these lamps: Open the liftgate. See Liftgate. Remove the two screw caps and two screws from the taillamp assembly. Pull the taillamp assembly out of the vehicle body...

    Other information:

    GMC Terrain 2018-2025 Owners Manual: Engine Oil Life System


    The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system should be reset to 100% only following an oil change...

    GMC Terrain 2018-2025 Owners Manual: GM Mobility Reimbursement Program


    This program is available to qualified applicants for cost reimbursement, up to certain limits, of eligible aftermarket adaptive equipment required for the vehicle, such as hand controls or a wheelchair/scooter lift for the vehicle. To learn about the GM Mobility program, see www...

    Copyright © 2025 www.gmcterrain2.com