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How to Change the Key Fob Battery for a Toyota Yaris

Model: Toyota Yaris MK 4 - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

To replace the battery in the key fob of a Toyota Yaris, first remove the metal key contained within the fob. Press the button on the side of the fob and simultaneously pull out the key. Next, use a flat-head screwdriver to open the fob; insert the screwdriver tip into the notch on the top edge of the fob (short side) and lever it open.

You will now have access to the battery compartment; remove the cover and proceed to extract and replace the battery.

Ensure you use the correct battery model, which is a flat CR 2032 type, 3V.


Updated on 19 June 2026 by ScegliAuto


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by ScegliAuto

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