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How to Replace the Key Battery of the Hyundai Sonata

Model: Hyundai Sonata DN8 - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

The procedure described in the following guide allows you to quickly and safely replace the battery located inside the key of your Hyundai Sonata. First, remove the physical emergency key from the cover, then open the cover to access the exhausted battery.

At this point, remove the exhausted battery and replace it with a new compatible one (model CR 2032). Finally, close the cover and reinsert the physical emergency key that you removed at the beginning of the procedure.


Updated on 14 October 2026 by ScegliAuto


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by ScegliAuto

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