GMC Terrain: Bulb Replacement / Taillamps

GMC Terrain 2018-2025 Owners Manual / Vehicle Care / Bulb Replacement / 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.
Disconnect the lamp wiring harness.
Turn the bulb socket counterclockwise and pull it out.
Pull the bulb straight out of the socket.
Push the replacement bulb straight into the bulb socket.
Push the bulb socket in and turn it clockwise.
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: Lighting Conditions Affecting ACC

The ACC front camera can be affected by poor lighting conditions, and ACC may have limited performance when: There are changes in brightness, such as entering and exiting tunnels, bridges, and overpasses. Low sun angles cause the camera to not detect objects, or it is more difficult to detect objects in the same traffic lane...

GMC Terrain 2018-2025 Owners Manual: Sunroof