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How to Replace the Key Battery of the 2015 Hyundai Sonata

Model: Hyundai Sonata LF - Years 2015-2019
Part: Key

Replacing the battery inside the key of your 2015 Hyundai Sonata is a very simple task that you can easily do on your own. All you need to do is carefully read the following guide and follow the described procedure. First, obtain a flat-head screwdriver and use it to easily remove the cover of the car remote after taking out the emergency key. Once the cover is removed, locate the exhausted battery and replace it with a new compatible one. Finally, reassemble the cover, and you are done.

Updated on 13 September 2026 by ScegliAuto

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