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How to Replace the Key Battery of a Hyundai Ioniq 2020

Model: Hyundai Ioniq MK 1 - Years: 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: Key

Video tutorial

In this guide, we will explain how to replace the button battery in your Hyundai Ioniq key (2020 model). First, remove the emergency key from inside the protective cover and then use it to open the cover for access to the dead battery.

At this point, remove the battery and replace it with a new compatible one (model CR2032). Finally, reassemble the protective cover and insert the emergency key back inside.


Updated on 6 November 2026 by ScegliAuto


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by ScegliAuto

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