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How to Replace the Key Battery of a Fiat 500

Model: Fiat 500 312 - Years 2007-2022
Part: Key

In this new guide for Fiat 500 owners, you will learn how to correctly and quickly replace the button battery in your car key. First, press the upper button to release the physical emergency key. Obtain a small flat screwdriver and use it to unscrew the screw located inside the side slot. Then, remove the entire battery holder and proceed with replacing the battery. Finally, reinsert the battery holder into the cover and reposition the emergency key.

Updated on 26 May 2026 by ScegliAuto

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