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How to Change the Key Battery on a Toyota

Model: Toyota Toyota Various
Part: Key

If you need to replace the remote key battery on a Toyota vehicle, follow the instructions below. First, purchase a CR 2016 battery. Then, open the key fob and use a sharp object to pry off the rear cover along the seam. Once the cover is removed, you will find the compartment containing the battery, which you can detach and replace with the new one, ensuring the positive terminal is facing upwards. Finally, reattach the cover, and you're done.

Updated on 21 July 2026 by ScegliAuto

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