Section 701 (Wireless Door Lock Control System - Diagnostics): Replacement

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE TRANSMITTER BATTERY
NOTE: Take extra care when handling these precision electronic components.
1. Using a coin or equivalent, pry apart the transmitter case.
  NOTE: Do not forcibly pry apart the case.
  
  Fig 1: Prying Transmitter Case
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the battery (lithium battery).
NOTE:
- Do not push the terminals with your finger.
- Do not forcibly pry up the battery (lithium battery). The terminals may become damaged.
- Do not touch the battery with wet hands. Water may cause rust.
- Do not touch or move any components inside the transmitter as it may cease to work.
Fig 2: Removing Battery
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL TRANSMITTER BATTERY
1. Install a new battery (lithium battery) with the positive (+) side up, as shown in Fig 3 .
  
  Fig 3: Installing Transmitter Battery
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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 transmitter battery electrode during insertion.
  - Keep the transmitter case's interior free of dust and oil.
2. Install the case securely.