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 2018-2026 Owners Manual: Safety Locks


    The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Manual Safety Locks If equipped, the safety lock is on the inside edge of the rear doors. To use the safety lock: Move the lever down to the lock position...

    GMC Terrain 2018-2026 Owners Manual: Starting the Engine


    Shift the vehicle into P (Park) or N (Neutral). To restart the engine when the vehicle is already moving, use N (Neutral) only. Caution Do not try to shift to P (Park) if the vehicle is moving. If you do, you could damage the transmission. Shift to P (Park) only when the vehicle is stopped...

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