GMC 2011 Sierra - Manual (Page 471)

Black plate (47,1) GMC Sierra Owner Manual - 2011
Vehicle Care 10-47
A. Stoplamp/Turn
Signal/Taillamp
B. Back-up Lamp
C. Sidemarker Lamp
3. Turn the bulb socket
counterclockwise to remove it
from the taillamp assembly.
4. Pull the old bulb straight out
from the socket.
5. Press a new bulb into the socket
and turn the socket clockwise
into the taillamp assembly.
6. Reinstall the taillamp assembly.
Center High-Mounted
Stoplamp (CHMSL) and
Cargo Lamp
To replace one of these bulbs:
1. Remove the two screws and lift
off the lamp assembly.
A. Cargo Lamp
B. Center High-Mounted
Stoplamp (CHMSL) Bulb
2. On the reverse side of the lamp
assembly, remove the bulb
socket by turning it one quarter
turn counterclockwise and pull it
straight out.
3. Remove the bulb by pulling it
straight out of the socket.
4. Install the bulb by pushing the
bulb straight into the socket.
5. Install the bulb socket into the
lamp asembly by turning it
one quarter turn clockwise.
6. Reinstall the lamp assembly and
tighten the screws.