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Replacing the Key Battery on Hyundai I20

Model: Hyundai I20 GB, IB, MK 2 - Years 2014-2021
Part: Key

Is the Hyundai key battery flat? Disassemble the I20 key and replace the battery. Take the key and press the release button. Once the metal key pops out, use a screwdriver to pry between the two covers of the key (in the space where the metal key fits). Pry until the cover opens, then, using a small screwdriver, remove the worn battery, take a new one of the same size and voltage. Refit the cover onto the plastic of the key and test its functionality with the buttons.

Updated on 29 March 2026 by ScegliAuto

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