You will need the following items:
Replacing the battery
1. Release the lock and remove the mechanical key.

2. Remove the key cover.
To prevent damage to the key, cover the tip of the flathead screwdriver with a rag.

3. Remove the depleted battery using a small flathead screwdriver.
When removing the cover, the electronic key module may stick to the cover and the battery may not be visible. In this case, remove the electronic key module in order to remove the battery.
Insert a new battery with the "+" terminal facing up.

4. When installing the key cover and mechanical key, install by conducting 2 and 1 with the directions reversed.
5. Operate the
or
switch
and check that the doors can
be locked/unlocked.
â– When replacing the key battery Be careful not to lose the battery or any other small parts.
â– Use a CR2032 lithium battery
â– If the key battery is depleted
The following symptoms may occur:
| WARNING â– Removed battery and other parts These parts are small and if swallowed by a child, they can cause choking. Keep away from children. Failure to do so could result in death or serious injury. |
| NOTICE â– For normal operation after replacing the battery Observe the following precautions to prevent accidents:
|
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: How To Proceed With Troubleshooting. Ignition Circuit. Initialization
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