Buick LaCrosse Owner's Manual page 374

The license plate lamps for this
vehicle are on the trunk lid.
To replace one of these bulbs:
1. Open the trunk. See
for more information.
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.
A. Bulb Socket
B. Bulb
C. Lamp Assembly
3. Turn the bulb socket (A)
counterclockwise to remove it
from the lamp assembly (C).
4. Pull the bulb (B) 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.
Back-Up Lamp
Daytime Running
Lamp (Uplevel)
Front Turn Signal/
Parking Lamp
Headlamp High
Beam (Base)
Headlamp Low
Beam (Base)
License Plate Lamp
Rear Turn Signal
For replacement bulbs not listed
here, contact your dealer.
921LL
3157K LCP
3757NAK
LCP
H9
H11LL
W5WLL
3757NAK
LCP