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:
Hill Descent Control Light
If equipped, the Hill Descent Control
light comes on when the system is
ready for use. When the light
flashes, the system is active.
See Hill Descent Control (HDC).
Lane Keep Assist (LKA) Light
If equipped, this light is green if LKA
is available to assist...
The fog lamps button is on the
instrument panel beside the steering
wheel.
To turn on the fog lamps, the ignition
and the headlamps or parking lamps
must be on.
: If equipped, press to turn on
or
off. An indicator light on the
instrument cluster comes on when
the fog lamps are on...