GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9234758) - 2016 - crc - 11/9/15
390
Vehicle Care
4.
Pull the rear lamp assembly
straight back to remove it from
the vehicle.
5. Turn the bulb socket
counterclockwise.
6. Pull the bulb straight out from
the socket.
7. Replace the bulb, then insert
the bulb socket into the rear
lamp assembly and turn
clockwise.
8. Verify the retainer ring of
attachment stud is pulled away
from lamp. If the retainer ring is
out of position, it will not
engage. Reset the retainer by
pulling it forward with a tool.
9. Push the rear lamp assembly
straight in until it is seated
against the vehicle.
10. Make sure the rear lamp
assembly is flush with the
box side.
11. Reinstall the two rear lamp
assembly screws.
Center High-Mounted
Stoplamp (CHMSL) and
Cargo Lamp
1. Cargo Lamp Bulbs
2. Center High-Mounted
Stoplamp (CHMSL) Bulb