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How to replace the remote battery in the Tesla Model 3?

Model: Tesla Model 3 MK 1 - Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

Video tutorial

In this tutorial, you will see how to replace the battery in the Tesla Model 3, a very simple and inexpensive operation. For this, you will need a replacement CR2032 battery and a small flathead screwdriver.

First, locate the small slot on the bottom edge of the remote, then insert the tip of the screwdriver into it, pry it open, and unlock the back cover. Once separated, you can remove the old battery, place the new one in, making sure to respect the polarity, and reassemble everything.


Updated on 14 September 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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