GMC Terrain: Bulb Replacement / Taillamps

To replace one of these lamps:

  1. Open the liftgate. See Liftgate.

    GMC Terrain. Taillamps

  2. Remove the two screw caps and two screws from the taillamp assembly.
  3. Pull the taillamp assembly out of the vehicle body.
  4. Disconnect the lamp wiring harness.

    GMC Terrain. Taillamps

  5. Turn the bulb socket counterclockwise and pull it out.
  6. Pull the bulb straight out of the socket.
  7. Push the replacement bulb straight into the bulb socket.
  8. Push the bulb socket in and turn it clockwise.
  9. Reverse Steps 2–5 to reinstall the lamp assembly.

    Front Turn Signal Lamps

    To replace one of these bulbs: Open the hood. See Hood. Remove the bulb access cap from the top of the headlamp assembly by turning it counterclockwise...

    License Plate Lamp

    Lamp Assembly Bulb Assembly Bulb Socket Bulb Lamp Assembly To replace one of these bulbs: Open the liftgate partway. See Liftgate. Push the lamp assembly outboard to remove...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Camera Views


    Touch the camera view buttons along the bottom of the infotainment display. Front/Rear Standard View : Displays an image of the area in front or behind the vehicle. Touch Front/Rear Standard View on the infotainment display when a camera view is active...

    GMC Terrain 2018-2026 Owners Manual: Engine Exhaust


    Engine Exhaust Warning Engine exhaust contains carbon monoxide (CO), which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if: The vehicle idles in areas with poor ventilation (parking garages, tunnels, deep snow that may block underbody airflow or tail pipes)...

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