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How to Replace the Key Fob Battery for the Hyundai Tucson

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

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Follow these brief instructions to dismantle and replace the battery of the key fob for the Hyundai Tucson. First, take your key fob and remove the physical key from inside it; then, pry open the cover to split the fob into two parts, exposing the circuit board and battery, as shown in the video.

Now remove and replace the battery with a new one of the correct type (in this case, a CR 2032 3V); insert it the right way round and reassemble the two halves, checking that it works!


Updated on 5 November 2026 by ScegliAuto


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by ScegliAuto

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