TRANSMITTER BATTERY (w/ Smart Key System): Replacement: Replacement

WARNING: This page is about a different car, the 2010 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Take extra care when handling these precision electronic components.

REMOVE TRANSMITTER BATTERY
1. Push the release hook knob and extract the emergency key.
  
  Fig 1: Releasing Hook Knob
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Insert a precision screwdriver into the gap and turn the screwdriver to detach the transmitter housing cover.
  
  Fig 2: Detaching Transmitter Housing Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  Tape the screwdriver tip before use.
3. Remove the battery (lithium battery: CR1632).
  
  Fig 3: Locating 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 proper operation.
INSTALL TRANSMITTER BATTERY
1. Install a new battery (lithium battery: CR1632) with the positive (+) side facing upward as shown in the illustration.
  
  Fig 4: Locating 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.
2. Install the transmitter housing cover.
3. Insert the emergency key into the transmitter.
4. Press one of the transmitter switches and check that the LED illuminates.