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How to Replace the Key Battery of a Hyundai Ioniq?

Model: Hyundai Ioniq 5 MK 1 - Years 2022-2026
Part: Key

To replace the key battery of your Hyundai Ioniq, start by locating the opening slot on the key. Using a small screwdriver or a coin, carefully open the key. Find the existing battery and gently remove it. Make sure to insert the new battery with the correct polarity. Close the key securely and check that it is properly sealed. Finally, test the key to ensure it functions correctly. Once you complete this step, you will have successfully replaced the key battery of your Hyundai Ioniq. If you have any doubts, consult the owner's manual for detailed instructions.

Updated on 23 September 2026 by ScegliAuto

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