Buick 1995 Century Owner's Manual page 104

Rear Locking Storage Compartment
(Wagon)
Use your door key to unlock the storage bin on the
driver's side near the liftgate.
Ashtrays
Reach under the front edge of the ashtray compartment
to open it. To remove the ashtray for cleaning, reach
under the ashtray and push up from behind it.
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