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Replacing the Key Fob Battery on a Hyundai Tucson

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

The steps outlined in this guide will show you how to remove and replace the battery in the key fob of a Hyundai Tucson. First, take your key fob and start by removing the physical key from inside it; then use the gap created to pry off the cover of the fob, accessing the battery and the electronic board, as shown in the video. At this point, remove the battery and replace it with a new one of the correct type (in this case, a CR 2032 3V); reassemble the plastic cover and the physical key!

Updated on 13 September 2026 by ScegliAuto

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