Buick LaCrosse 2014 Owner's Manual page 281

2. Remove the fasteners and pull
back the trunk trim.
3. Remove the four plastic wing
nuts holding the taillamp
assembly in place.
4. Pull out the taillamp assembly
and disconnect the wiring
harness.
5. Turn the bulb socket
counterclockwise to remove it.
6. Pull the old bulb straight out of
the bulb socket.
7. Reverse Steps 1 6 to install.
The license plate lamps for this
vehicle are on the trunk lid.
To replace one of these bulbs:
1. Open the trunk. See
.
2. Push the end on either of the
lamp assemblies (passenger
side shown) and then move the
lamp assembly down to remove
it from the trunk lid.
3. Turn the bulb socket (1)
counterclockwise to remove it
from the lamp assembly (3).
4. Pull the bulb (2) straight out of
the bulb socket.
5. Push the replacement bulb
straight into the bulb socket and
turn the bulb socket clockwise to
install it into the lamp assembly.
6. Move the lamp assembly into
the trunk lid, engaging the clip
side first.
7. Push on the lamp side opposite
the clip until the lamp assembly
snaps into place.