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Change the Key Fob Battery on a Fiat Cronos

Model: Fiat Cronos 358s, X6S - Years 2018-2026
Part: Checks and maintenance

The battery inside the key fob that opens and closes the doors of the Fiat Cronos will eventually run out, and you need to replace it. To do this, snap open the metal part and, using your fingers to pry at the edges, help yourself with a flathead screwdriver if necessary to open the fob shell. This gives you access to the battery compartment, which you will open with a quick twist. Still using a screwdriver, remove the old battery and replace it with a new CR2032, making sure to respect the correct polarity. Close the battery compartment by securing the cover and reassemble the fob shell.

Updated on 29 July 2026 by ScegliAuto

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