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How to Replace the Key Battery on a Hyundai Tucson

Model: Hyundai Tucson TL, MK 3 - Years 2015-2021
Part: Key

This guide outlines all the steps necessary to quickly replace the button battery in your Hyundai Tucson key. It is a very simple and quick procedure that requires no prior experience. First, press the button located on the top front of the cover and simultaneously pull out the physical emergency key. Use this key to open the cover. Next, remove the old battery and replace it with a new one. Finally, correctly reassemble the cover and insert the emergency key back inside.

Updated on 8 June 2026 by ScegliAuto

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