GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
10-28 Vehicle Care
3. Turn the bulb counter clockwise
to remove it from the housing.
Back-Up Lamps
To replace a back-up bulb:
1. Open the liftgate. See Liftgate
on page 2-13.
2. Remove the taillamp closeout
cover from the lamp assembly
by pulling rearward from the top
and bottom at the same time to
unfasten the snap tabs.
3. Remove the two screws from the
taillamp assembly.
4. Pull the taillamp assembly
straight back to remove.
5. Turn the bulb socket
counterclockwise to remove it
from the taillamp assembly.
6. Pull the bulb straight out from
the socket.
7. Press a new bulb into the
socket, insert it into the taillamp
assembly, and turn the bulb
socket clockwise until it clicks.
8. Reinstall the taillamp assembly
and tighten the screws.
9. Reinstall the taillamp cover by
snapping it into place.
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