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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

In this short video tutorial, we will show you the steps to replace the remote key battery on a Seat Leon car. The operation is extremely simple. First, take the key and press the button to release the metal key. At this point, using a screwdriver, lever on the edge of the remote to detach the plastic casing covering the battery. Once the cover is removed, you will see the battery and can take it out using the tip of a smaller screwdriver. Proceed to replace the old battery with the new one. The battery in question is a flat CR2025 3V type.

Updated on 28 July 2026 by ScegliAuto

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