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How to Replace the Key Battery of the 2020 Hyundai Tucson

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

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Video tutorial

If you own a third-generation Hyundai Tucson (2020) and the remote has suddenly stopped working, follow these steps to correctly replace the battery inside. First, remove the physical emergency key located in the cover to easily disassemble it using a flat-head screwdriver.

Next, take out the circuit board and locate the exhausted battery. At this point, remove it and replace it with a new button battery (model CR 2032).


Updated on 16 August 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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