Buick REGAL 1997 Manual page 312

Trunk Lid Applique 1.
2.
A
B
3.
Open the trunk lid halfway.
Remove the wing nuts (A) from the studs on
the applique. (There are eight wing nuts. Pliers may
be
required to remove them.)
Remove the applique from the trunk lid.
Then:
1 .
2.
3.
4.
Install the new bulbs into the applique sockets (B).
Connect the applique to the lid.
Reconnect the wing nuts to the studs on the applique
and hand-tighten.
Close the trunk lid.
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