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How to Replace the Key Battery on a Hyundai Tucson

Model: Hyundai Tucson MK 3, TL - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: Key

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Video tutorial

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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To remove the rear seat of a Hyundai Tucson, follow these steps. Start by moving the front seats to their most forward position to gain space. Next, locate the release lever on the underside of the rear seat, near the floor. Press this lever down while pulling the seat upwards to unlock it from the anchor pins. Once unlocked, tilt the seat upwards and forwards to remove it from its position. Repeat this process for both sides of the rear seat. Be careful of any electrical cables or components that may be connected to the seat during removal. Once the rear seat is removed, the disassembly is complete.

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by ScegliAuto

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