Buick 1995 Century Owner's Manual page 65

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1
To replace batteries:
1. Carefully pry off the cover by inserting a dime (or
similar object)
in a
slot between the covers and twist.
2 . Lift off the front cover, bottom half first.
3. Remove and replace the batteries.
4. Reassemble the transmitter. Make sure the cover is
on tightly, so water won't get in and snap the cover
together.
5. Check the transmitter operation.
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