Transmitter Battery: Replacement: Replacement

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE TRANSMITTER BATTERY (w/o Smart Key System)
1. Using a screwdriver with its tip wrapped in protective tape, pry open the transmitter housing cover.
  
  Fig 1: Removing Transmitter Housing Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE:
  Do not forcibly pry the cover.
2. Using a screwdriver with its tip wrapped in protective tape, remove the door control transmitter module from the transmitter housing case.
  
  Fig 2: Removing Door Control Transmitter Module From Transmitter Housing Case
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE:
  Handle each part with care as they are delicate electrical parts.
3. Twist a coin in the direction of the arrow in the illustration, and remove the transmitter battery cover.
  
  Fig 3: Removing Transmitter Battery Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the battery (lithium battery: CR2025).
  
  Fig 4: 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 become 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 cease to work.
REMOVE TRANSMITTER BATTERY (w/ Smart Key System)
1. Remove the mechanical key.
  
  Fig 5: Removing Mechanical Key
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Insert a screwdriver into the gap, and turn the screwdriver to detach the cover.
  
  Fig 6: Removing Transmitter Housing Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  Tape the screwdriver tip before use.
3. Insert a screwdriver into the gap and gently remove the battery (lithium battery).
  
  Fig 7: Removing Battery (Lithium Battery)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Do not push the terminals with your finger.
  - Do not forcibly pry up the battery (lithium battery) because doing so will deform the terminals.
  - Do not touch the battery with wet hands. Water may result in corrosion.
  - Do not touch or move any components inside the transmitter because handling the components may interfere with proper operation of the transmitter.
INSTALL TRANSMITTER BATTERY (w/o Smart Key System)
1. Install the battery (lithium battery: CR2025) with the positive (+) side facing upward, as shown in the illustration.
  
  Fig 8: Identifying Battery Position For Installation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Be careful not to bend the transmitter battery electrode during insertion.
  - Keep the transmitter cover interior free of dust and oil.
2. Install the cover.
  
  Fig 9: Installing Transmitter Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the door control transmitter module into the transmitter housing case.
  
  Fig 10: Installing Door Control Transmitter Module
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the transmitter housing cover to the transmitter housing case.
  
  Fig 11: Installing Transmitter Housing Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Check that the transmitter's LED illuminates when the switch is pressed.
  OK
  
  Transmitter's LED illuminates when switch is pressed.
INSTALL TRANSMITTER BATTERY (w/ Smart Key System)
1. Install a new battery (lithium battery) with the positive (+) side up as shown in the illustration.
  
  Fig 12: Installing Transmitter Battery
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Press down gently on the battery to set it in place.
  
  Fig 13: Pressing Battery Down Into Place
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Be sure that the positive and negative sides of the transmitter battery are positioned correctly.
  - Be careful not to bend the terminals of the transmitter battery during installation.
  - Keep the interior of the transmitter case free of dust, water, and oil.
3. Install the cover by pressing it as shown in the illustration.
  
  Fig 14: Installing Cover By Pressing Down
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the mechanical key.
  
  Fig 15: Installing Mechanical Key
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  After the installation, press one of the transmitter switches and check that the LED illuminates.