Door Control Transmitter: Removal: Removal

WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. 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. Push and hold the release knob in the direction indicated by the arrow shown in the illustration. Then take the mechanical key out of the case.
  
  Fig 1: Identifying Mechanical Key & Case
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Insert a precision screwdriver into the gap, and turn the screwdriver to detach the cover.
  HINT:
  
  Tape the screwdriver tip before use.
  
  Fig 2: Pushing And Hold Release Knob In Direction Indicated By Arrow
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Insert a screwdriver into the gap and remove the battery (lithium battery).
  
  Fig 3: Removing 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.
REMOVE TRANSMITTER (CARD KEY) BATTERY

Fig 4: Pulling Transmitter Housing Cover
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Lightly hold and pull the transmitter cover out in the direction shown by the arrow in the illustration.
  HINT:
  - If the battery cover is held too firmly, it becomes harder to pull out.
  - If the cover is slippery and it is difficult to pull it out, use non-slip gloves to pull the cover out.
  NOTE:
  Do not insert a screwdriver etc. between the case and battery cover and forcefully bend the battery cover. This will deform the battery cover.
2. Remove the transmitter (card key) battery (lithium battery).
  
  Fig 5: Removing Battery From Transmitter
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002