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 2018-2025 Owners Manual: Collision Damage Repair


    If the vehicle is involved in a collision and it is damaged, have the damage repaired by a qualified technician using the proper equipment and quality replacement parts. Poorly performed collision repairs diminish the vehicle resale value, and safety performance can be compromised in subsequent collisions...

    GMC Terrain 2018-2025 Owners Manual: Storing the Tire Sealant and Compressor Kit


    The tire sealant and compressor kit is in a bag in the rear compartment storage area. Open the liftgate. See Liftgate. Fold the rear part of the load floor to the front. Turn the retainer nut counterclockwise to remove the tire sealant and compressor kit bag...

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