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How to Replace the Key Fob Battery in a Ssangyong Rexton

Model: SsangYong Rexton MK 2 - Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

To replace the battery in the key fob of a second-generation Ssangyong Rexton, press the release button to extract the mechanical key. Locate the slot along the edge of the fob and open the casing using the key or a small flathead screwdriver. Once open, remove the depleted button battery, usually a CR2032 type, taking care with the contacts.

Insert the new battery with the positive (+) side facing up. Close the casing until you hear it click and reinsert the mechanical key. Check the operation of the buttons.


Posted on 25 February 2026 by ScegliAuto


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by ScegliAuto

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