Buick 2014 Regal Owner's Manual page 279

1. Taillamp
2. Taillamp/Sidemarker Lamp
3. Stop/Turn Signal Lamp
4. Back-up Lamp
To replace any one of these bulbs:
1. Open the trunk. See
2. Remove the trunk trim panel
push pin.
3. Pull the trunk trim panel back to
gain access to the taillamp
assembly.
4. Remove the two nuts that
secure the taillamp assembly.
5. Remove the taillamp assembly
and disconnect the wiring
harness connector.
6. Turn the bulb socket
counterclockwise to remove it.
7. Pull the bulb from the socket.
8. Install a new bulb.
9. Turn the bulb socket clockwise
to install it.
10. Reverse Steps 2 4 to reinstall
the taillamp assembly.
.