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.
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...
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:
Older children who have outgrown
booster seats should wear the
vehicle’s seat belts.
The manufacturer instructions that
come with the booster seat state the
weight and height limitations for that
booster. Use a booster seat with a
lap-shoulder belt until the child
passes the fit test below:
Sit all the way back on the seat...
To access the driver door key lock
cylinder:
Pull the door handle (1) to the
open position and hold it open
until cap removal is complete.
Insert the key into the slot (3)
on the bottom of the cap (2)
and lift the key upward.
Move the cap (2) rearward and
remove...