GMC Terrain: 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 2018-2026 Owners Manual: Interior Care
To prevent dirt particle abrasions, regularly clean the vehicle's interior. Immediately remove any soils. Newspapers or dark garments can transfer color to the vehicle’s interior. Use a soft bristle brush to remove dust from knobs and crevices on the instrument cluster...
GMC Terrain 2018-2026 Owners Manual: Reducing Speed While Using Cruise Control
If the cruise control system is already activated: Press and hold –SET until the desired lower speed is reached, then release it. To slow down in small increments, briefly press –SET. For each press, the vehicle goes about 1 km/h (1 mph) slower...
Copyright © 2026 www.gmcterrain2.com