Center High-Mounted Stoplamp (Chmsl) And Cargo Lamp - GMC Sierra Denali 2009 Owner's Manual

5. Press the locking release lever, turn the bulb socket
counterclockwise and remove it from the turn signal
assembly.
6. Remove the old bulb from the bulb socket.
7. Install a new bulb into the bulb socket.
8. Insert the bulb socket into the turn signal assembly
and turn it clockwise until it locks.
9. Reinstall the turn signal assembly back into the
vehicle placing the hook and posts on the inner
side into the alignment holes first, then the
outer side into the retainer bracket until you
hear a click.
10. Reinstall the headlamp assembly.
5-56
Center High-Mounted Stoplamp
(CHMSL) and Cargo Lamp
To replace one of these bulbs:
1. Remove the screws and lift off the lamp assembly.