Battery Replacement
REMOVAL
1. Snap apart the transmitter case by twisting a coin between the bottom edges (near the key-ring hole) of the front and rear halves.
CAUTION: Do not take the front half of the transmitter apart. Damage to printed circuit may result.
2. Remove the battery.
INSTALLATION
1. Install the new battery.
NOTE: The battery must be installed with the positive side toward the bottom of the transmitter case.
2. Snap the two halves of the transmitter case back together.