Transmitter Battery: Replacement

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

REPLACE TRANSMITTER BATTERY
NOTE: Be careful when handling each component as they are precision electronic components.
1. Insert a precision screwdriver into the gap, and turn the screwdriver to detach the cover.
  
  Fig 1: Detaching Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  Tape the screwdriver tip before use.
  
  NOTE: Do not forcibly pry up the cover.
2. Remove the battery (lithium battery: CR2032).
  
  Fig 2: Removing Transmitter Battery
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Do not push the terminals with your finger.
  - Do not forcibly pry up the battery. The terminals may be damaged.
  - Do not touch the battery with wet hands. Water may cause rust.
  - Do not touch or move any components inside the transmitter, it may interfere with the proper operation.
3. Install a battery (lithium battery: CR2032) with the positive (+) side facing upward, as shown in the illustration.
  
  Fig 3: Installing Transmitter Battery
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Do not bend the transmitter battery electrode during insertion.
  - Keep the transmitter cover interior free of dust and oil.
4. Attach the cover securely.