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How to Replace the Key Battery of the Renault Megane 4

Model: Renault Megane Megane 4, Megane IV - Years 2015-2023
Part: Key

In this mini guide for all Renault Megane fourth series (2015-2022) owners, we will describe the steps necessary to correctly and independently replace the battery inside the key. First, remove the rear cover (with the Renault logo) using your hands. Then, locate the battery holder and remove its protective cover. Finally, replace the old button battery with a new one and reassemble everything correctly. Test its functionality, and you are done.

Updated on 17 August 2026 by ScegliAuto

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