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: How to Reinstall the Engine Air Cleaner/Filter


    Align the air cleaner/filter with the indicated point on the base of the air cleaner/filter housing and install the air cleaner/filter. The outer air cleaner/filter seal must be fitted properly in the air cleaner/filter housing. Align the air cleaner/filter housing cover tabs to the air cleaner/filter housing...

    GMC Terrain 2018-2026 Owners Manual: Remote Vehicle Start


    If equipped, the engine can be started from outside of the vehicle. Starting the Vehicle Press and release on the RKE transmitter. Immediately press and hold for at least four seconds or until the turn signal lamps flash. When the vehicle starts, the parking lamps will turn on...

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