Keyless Entry Transmitter Battery: Service and Repair
REMOVAL1. Insert a suitable tool between the two halves of the keyless entry remote transmitter at the key ring end and twist to open.
NOTE: Do not disassemble the front half of the key less entry remote transmitter.
2. Remove the coin-type 3-volt lithium batteries.
INSTALLATION
1. Insert new batteries with the positive side down as marked. Make sure the batteries are fully seated.
2. Snap the two halves back together.