2001 Buick Regal Owner's Manual - Page 85

Battery Replacement Under normal use, the battery in your remote keyless entry transmitter should last about three 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 close to your vehicle before the transmitter works, it's probably time to change the battery. 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. To replace the battery: 1. Insert a flat object like a dime into the slot on the back of the transmitter. Gently pry apart the front and back. 2. Remove the old battery and replace it with the new one. (Use type CR2032 or an equivalent.) Make sure the positive (+) side of the battery is facing down. Do not use a metal object to remove the old battery. 3. Snap the top and bottom together, making sure the halves are together tightly so water won't get in. 4. Test the operation of the transmitter with your vehicle. 2-16