Keyless Entry Transmitter Battery: Service and Repair

TRANSMITTER BATTERY

REPLACEMENT
1. REMOVE TRANSMITTER SUB-ASSY MODULE SET DOOR CONTROL

NOTE: Special caution should be taken for handling each component as they are precision electronic components.




2. REMOVE TRANSMITTER BATTERY
a. Remove the cover.
b. Remove the transmitter battery (lithium battery).

NOTE:
- Do not push the terminals with your finger.
- Prying up the battery (lithium battery) to forcibly remove it will cause deformation of the terminals.
- Do not touch the battery with wet hands. Water may cause unexpected rust.
- Do not touch or move any components inside the transmitter as it may interfere with proper operation.




3. INSTALL TRANSMITTER BATTERY
a. Install a new battery (lithium battery) with the positive (+) side up, as shown in the illustration.

NOTE:
- Be sure that the positive side and the negative side of the transmitter battery are matched-up correctly.
- Be careful not to bend the electrode of the transmitter battery insertion.
- Be careful that dust or oil does not adhere to the transmitter case.

b. Install the cover.

NOTE: If the screws are loose, it may cause faulty contact between the battery (lithium battery) and the terminals.