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Replacing the Key Fob Battery for a Hyundai Tucson

Model: Hyundai Tucson NX4, MK 4 - Years 2022-2026
Part: Key

Follow this guide to remove and replace the battery in the electronic key fob for a Hyundai Tucson in simple, quick steps. First, take the fob and remove the physical key from inside it. Then, use a thin, pointed object to pry open the side slot and remove the plastic casing to access the battery and internal circuit board, as shown in the video. Now, replace the old battery with a new one (in this case, a CR 2032 3V); insert it the correct way round and reassemble the fob and physical key.

Updated on 27 August 2026 by ScegliAuto

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