Buick Verano Owner's Manual page 277

A. Backup Lamp
B. Taillamp
To replace any one of these bulbs:
1. Open the trunk.
2. Remove the push pins (A)
retaining the trunk deck trim
cover.
3. Rotate the hinge cover (C)
rearward.
4. For the passenger side bulb,
remove the pull handle
fasteners (B) and pull handle.
5. Pull the trunk deck trim down far
enough to gain access to the
lamps.
6. Remove the bulb socket by
turning counterclockwise.
7. Remove the bulb from the
socket by pulling straight out.
8. Install the new bulb in the bulb
socket.
9. Reverse Steps 1 through 7 to
reinstall.