Removal Procedure
Important: The normal battery life is approximately 2 years. Replace the batteries when the range of the transmitter begins to decrease to less than approximately 7 meters (23 ft).
- Open the transmitter case (6,4).
 
| 1.1.  | Insert a small flat-bladed tool between the 2 halves of the transmitter case (6, 4) at the slot provided near the key ring hole (5). | 
 
| 1.2.  | Twist the tool in order to open the case. | 
 
- Remove the battery (2).
 
Installation Procedure
- Use a 3-volt CR2016 battery or the equivalent. Install the battery (2) with the positive side up.
 
- Close the transmitter case (6, 4).
 
- Ensure that the seal is in position. Align the 2 halves of the case (6, 4) and snap the halves together.
 
- Verify the operation of the transmitter.