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Frequently asked questions about cars and motorcycles

How to Replace the Key Battery on a Fiat 500

Model: Fiat 500 312 - Years 2007-2024
Part: Key

To replace the key battery on a Fiat 500, follow these steps: take the remote and press the button to release the metal key. Once the metal key is out, use a screwdriver to unscrew the tiny screw located in the key cover (where the metal key fits). Remove the plastic battery holder, then replace it with a new one of the same size and voltage using a small screwdriver. Install the new battery in the compartment and finally in the cover. Check the remote's proper functioning by pressing the buttons.

Updated on 2 March 2026 by ScegliAuto

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