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How to Replace the Key Battery in a Kia Carnival

Model: Kia Carnival MK 4, KA4 - Years: 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

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Video tutorial

Replacing the battery in your new Kia Carnival key requires just a few simple steps that we will discover below. First, press the small metal button located at the bottom right corner of the cover and simultaneously pull out the physical emergency key. Next, insert the tip of the emergency key into the slot and apply a slight outward push to open the cover.

Finally, remove the old battery and replace it with the new one (model CR 2032). Reassemble the cover and you are finished.


Updated on 16 July 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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