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How to Replace the Key Battery of the Fiat 124

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

To correctly replace the button battery inside your Fiat 124 Mk2 key in just a few seconds, you will only need a common flat screwdriver (preferably small). The first thing you need to do is locate the small button on the back of the cover. Press it and slide out the physical emergency key. Next, using the flat screwdriver, fully open the cover and remove the protective cap of the battery. At this point, simply replace it with a new model and reassemble the cover. Finally, do not forget to insert the physical key back inside.

Updated on 9 May 2026 by ScegliAuto

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