1998 Cadillac Eldorado Owner's Manual - Page 78

Battery Replacement Under normal use, the battery in your remote keyless entry transmitter should last about four years. You can tell the battery is weak if the transmitter won't work at the normal range in any location. If you have to get closeto your vehicle beforethe transmitter works, it's probably time to change the battery. i NOTICE: When replacing the battery, use care not to touch any of the circuitry. Static from your body transferred to these surfaces may damage the transmitter. I 1 . Use the round end of the door key or a coin to pry open the transmitter. 2-8