Avalon key fob battery issue

I own a 2012 Toyota Avalon with a gasoline engine. Recently, the key battery low warning appeared. Keyless access no longer works, an error is stored, and unlocking/locking aren't functioning correctly. I suspect the key fob battery is empty. Has anyone experienced a similar issue?

4 comment(s)

I have an Avalon too, and had similar symptoms a while back. The key fob was acting up – sometimes it would work, sometimes it wouldn't. Did the range suddenly decrease?

Yes, the effective range of the key fob decreased noticeably before the system stopped working entirely. Was the battery replacement the definitive solution in your case?

Yes, replacing the battery in the key fob completely resolved the issue. Although, to be on the safe side, maybe check with a workshop before replacing it yourself.

Thank you. Replacing the battery myself resolved the issues. The total repair cost was 37€.

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