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How to Replace the Key Battery on a Hyundai Elantra

Model: Hyundai Elantra MK 6 - Years 2015-2020
Part: Key

If you want to replace the button battery in the smart key of your Hyundai Elantra (2015-2020) but don’t know how, don’t worry because with this mini guide you will be able to complete the operation easily and in just a few seconds. First, pull out the physical emergency key by sliding it out. Next, remove the rear cover using a small knife or flat screwdriver. Finally, locate the exhausted button battery and replace it with a new one that is perfectly compatible with your key (model CR 2032).

Updated on 9 July 2026 by ScegliAuto

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