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How to Replace the Key Fob Battery on a 2021 Seat Leon

Model: Seat Leon KL1, KL8 - Years 2020-2026
Part: Key

Replacing the battery in the key fob of a 2021 Seat Leon is a simple and quick task. All you need is a small flathead screwdriver and a new battery. Take the vehicle's key fob and first extract the metal key inside: to do this, press the button on the side of the casing and pull out the hook at the top of the fob. Now, use the key's tip to pry open the side groove and access the casing. Remove the battery with the screwdriver tip and insert the new battery. The required model is a flat CR 2032 battery rated at 3V.

Updated on 20 June 2026 by ScegliAuto

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