Transmitter Battery: Replacement

REMOVE TRANSMITTER SUB-ASSY MODULE SET DOOR CONTROL (See REPLACEMENT )
NOTE: Special caution should be taken for handling each component as they are precision electronic components.
REMOVE TRANSMITTER BATTERY
1. Using a screwdriver, remove the 2 screws and cover.
2. Remove the transmitter battery (lithium battery).
  
  Fig 1: Removing Transmitter Battery
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:
- Do not push the terminals with your finger.
- Prying up the batteries (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, or it may interfere with the proper operation.
INSTALL TRANSMITTER BATTERY
1. Install a new battery (lithium battery) with the positive (+) side up, as shown in the illustration.
  
  Fig 2: Installing Battery (Lithium Battery) With Positive (+) Side Up
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Be sure that the positive side and the negative side of the transmitter battery are faced correctly.
  - Be careful not to bend the electrode of the transmitter battery insertion.
  - Be careful that no dust or oil adheres to the transmitter case.
2. Check that O-ring is not distorted or slipped off, and install the cover.
3. Using a screwdriver, tighten the 2 screws.
NOTE: If the screws are loose, it may cause faulty contact between the battery (lithium battery) and the terminals.