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How to Replace the Key Battery of the Toyota Prius

Model: Toyota Prius MK 3, Xw50 - Years: 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
Part: Key

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Video tutorial

Replacing the battery inside your Toyota Prius key is a simple task that can rejuvenate the key at a minimal cost. Here are the necessary steps.

First, obtain a small flat-head screwdriver. Next, insert it into the slot located at the bottom of the cover and apply slight pressure to fully open it. Once done, locate the old battery and proceed with its replacement.

Finally, correctly reassemble the cover.


Updated on 23 May 2026 by ScegliAuto


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by ScegliAuto

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