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How to Replace the Key Battery of the Fiat 124

Model: Fiat 124 MK 2 - Years: 2016, 2017, 2018, 2019
Part: Key

See other generations:
Video tutorial

To quickly replace the battery inside the key of your new Fiat 124 (2016-2019), carefully read the following instructions and put them into practice. First, remove the small plastic cover located on the top of the rear cover.

Once done, use a common flat-head screwdriver to remove the rear cover. Locate the battery holder and remove it as well.

Finally, replace the old exhausted battery with a new one, ensuring it is a perfectly compatible model (CR2025).


Updated on 24 July 2026 by ScegliAuto


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by ScegliAuto

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