2002 Buick Park Avenue Owner's Manual - Page 78

To replace the battery, do the following: 1. Insert a thin coin, or similar object, into the notch near the key ring. Turn it counterclockwise to separate the two halves of the transmitter. 2. Once the transmitter is separated, use a pencil eraser to remove the old battery. Do not use a metal object. 3. Remove and replace the battery as the instructions under the cover indicate. 4. Snap the transmitter back together tightly to be sure no moisture can enter. 5. Test the operation of the transmitter with your vehicle. If the transmitter does not work, resynchronize the transmitter. For battery replacement, use a DuracellR battery, type DL-2032, or a similar type. 2-15