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How to Replace the Key Battery on a Seat Leon

Model: Seat Leon MK 3, 5F - Years 2012-2019
Part: Key

Replacing the battery in the key fob of a Seat Leon is a very simple operation. First, you need to release the metal key contained within the fob: to do this, press the button located at the corner of the upper end of the fob. Press the button, and the key will spring out. Now take a small flathead screwdriver and insert the tip into the empty side notch; lever the edge to open the battery compartment, which is the rear casing of the fob. Proceed to remove the old battery and replace it.

Updated on 1 July 2026 by ScegliAuto

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