Buick 1993 Skylark Owner's Manual page 70

To replace the batteries. Rear Door Security Lock
1. Remove the screw from Your Buick may be equipped with rear door security
the back cover,, locks that help prevent passengers from opening the rear
doors of your car from the inside. To use one of these
locks:
1. Use a key to move the
lever all the way up.
2. Lift off the front cover, bottom half first.
3. Remove and replace the batteries. Put them in as the
4. Replace the front cover. Make sure the cover is on
tightly, so water won't get in. Replace the screw in
the back cover.
direction under the batteries indicate.
2. Close the door.
3. Do the same thing to the other rear door lock.
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