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How to Replace the Key Battery in a 2021 Kia Picanto

Model: Kia Picanto MK 3, JA - Years 2018-2026
Part: Key

If the smart key for your 2021 Kia Picanto has suddenly stopped working and you want to replace the button battery inside, simply follow these steps. First, pull the top part of the cover outward to easily remove the physical emergency key. Next, using the same physical key or a small flat screwdriver, open the cover and locate the exhausted battery. Finally, replace it with a new one (model CR 2032) and refit the cover.

Updated on 5 July 2026 by ScegliAuto

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