1995 Buick Century Owner's Manual - Page 65

I 1 To replace batteries: 1. Carefully pry off the cover by inserting a dime (or similar object)in a slot between the coversand 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. 2-7