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How to Replace the Key Fob Battery in a Toyota Rush?

Model: Toyota Rush J300, F800 - Years 2017-2024
Part: Key

In this tutorial, you will see how to replace the key fob battery in a Toyota Rush. For this simple and quick operation, you will need a replacement CR2032 battery and a small flathead screwdriver. First, extract the emergency metal key by pressing the designated button on the back. Then, separate the two halves of the key fob by prying along the seam, starting from the top slot. Once fully opened, remove the old battery and insert the replacement, ensuring it is oriented correctly.

Updated on 5 July 2026 by ScegliAuto

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