1995 Chevrolet Lumina Owner's Manual - Page 63
1995 Chevrolet Lumina Manual
Page 63 highlights
Battery Replacement Under normal use,the batteries in your key chain transmitter shouldlast about two years. To replace your batteries: 1. Insert a flat object like a dime into theon the slot back of the transmitter. Gently pry apart front the and back. You can tell the batteries weak if the transmitter are 2. Gently pry the batteries out the transmitter. of won't work at the normal range any location. If you in have to get close to your vehicle before the transmitter 3. Put the new batteries into the transmitter as shown works, it's probably time change the batteries. to on the transmitter. Use Duracella batteries, type DL20 16, or equivalent. 4. Put the two halves back together. Make sure the halves are together tightly water won't get in. so 5. Test the transmitter. 2-7