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:
The vehicle brake system consists
of two hydraulic circuits. If one
circuit is not working, the remaining
circuit can still work to stop the
vehicle. For normal braking
performance, both circuits need to
be working
This light should come on briefly
when the engine is started...
Warning
Idling a vehicle in an enclosed
area with poor ventilation is
dangerous. Engine exhaust may
enter the vehicle. Engine exhaust
contains carbon monoxide (CO)
which cannot be seen or smelled.
It can cause unconsciousness
and even death. Never run the
engine in an enclosed area that
has no fresh air ventilation...