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

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

REMOVE TRANSMITTER HOUSING COVER
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.
REMOVE DOOR CONTROL TRANSMITTER MODULE
1. 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
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE:
  Handle each part with care as they are delicate electrical parts.
REMOVE TRANSMITTER BATTERY
1. Twist the coin in the direction of the arrow mark in the illustration, and remove the transmitter battery cover.
  
  Fig 3: Removing Transmitter Battery's Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. 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.
  - To prevent the transmitter from being damaged, be sure to touch a grounded metal surface with your bare hands to discharge any static electricity before replacing the transmitter battery.
INSTALL TRANSMITTER BATTERY
1. Install a battery (lithium battery: CR2025) with the positive (+) side facing upward, as shown in the illustration.
  
  Fig 5: 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.
  - To prevent the transmitter from being damaged, be sure to touch a grounded metal surface with your bare hands to discharge any static electricity before replacing the transmitter battery.
2. Install the cover.
  
  Fig 6: Installing Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL DOOR CONTROL TRANSMITTER MODULE
1. Install the door control transmitter module into the transmitter housing case, and install the transmitter housing cover securely onto the transmitter housing case.
  
  Fig 7: Installing Door Control Transmitter Module
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL TRANSMITTER HOUSING COVER
1. Install the transmitter housing cover to the transmitter housing case.
  
  Fig 8: Installing Transmitter Housing Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002