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How to Replace the Key Battery of the Peugeot 508

Model: Peugeot 508 MK 2 - Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

This short video tutorial demonstrates the procedure for replacing the key battery of the Peugeot 508 with a keyless system. The procedure is simple and requires little time to complete.

The only tool needed is a flathead screwdriver. To access the battery, use the flathead screwdriver to pry open the bottom of the key and gently lift the part of the key with the Peugeot logo; once removed, you will have access to the battery and can replace it. After replacing the battery, refit the key cover by pressing it back into place correctly.


Updated on 19 October 2026 by ScegliAuto


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by ScegliAuto

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