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How to Replace the Key Battery of a Lexus ES300

Model: Lexus ES Xz10 - Years: 2019, 2020, 2021, 2022, 2023, 2024, 2025
Part: Key

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Video tutorial

Replacing the battery in your car's smart key is undoubtedly one of the simplest maintenance tasks you can do independently. This also applies to the key for the Lexus ES350. First, locate the button on the side of the cover and press it to easily slide out the physical emergency key. Next, using the same key, open the cover and remove the old battery.

Now, simply insert the new battery correctly and reassemble everything. Don't forget to reinsert the physical key into the cover.


Updated on 19 June 2026 by ScegliAuto


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