Toyota Corolla (E120) 2002–2008 Repair Manual / Theft deterrent & door lock / Transmitter battery
Toyota Corolla (E120): Transmitter battery
Replacement
1. Replace transmitter battery
Notice:
special caution should be taken for handling each component as they are precision electronic components.

- Using a screwdriver, pry out the transmitter case.
Notice
: do not forcibly pry out the case.
Hint
: tape the screwdriver tip before use.

- Remove the battery (lithium battery).
Notice
:
- do not push the terminals with your finger.
- Prying up the battery (lithium battery) to forcibly remove it will cause deformation of the terminals.
- Do not touch the battery with wet hands. Water may cause unexpected rust.
- Do not touch or move any components inside the transmitter as it may interfere with proper operation.
2. Install transmitter battery
- install a new battery (lithium battery) with the positive (+) side up, as shown in the illustration.
Notice
:
- be sure that the positive side and the negative side of the transmitter battery are matched–up correctly.
- Be careful not to bend the electrode of the transmitter battery insertion.
- Be careful that dust or oil does not adhere to the transmitter case.
- install the case securely.
Other materials:
What to do if... (Troubleshooting)
If there is a problem with the hands-free system or a Bluetooth® device, first
check the table below.
► When using the hands-free system with a
Bluetooth® device
► When registering/connecting a cellular
phone
► When making/receiving a call
► When using the p ...
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