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How to Replace the Key Battery on the Kia Carnival 4

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

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Video tutorial

In this new mini guide dedicated to your new Kia Carnival fourth series (2021-2023), you will learn all the steps necessary to quickly and safely replace the battery in the key. First, locate the small metal button on the side of the cover. Press it while simultaneously pulling out the physical emergency key. Now, use the emergency key to remove the rear cover and access the exhausted battery.

Finally, remove the old battery and replace it with the new one (CR 2032).


Updated on 6 July 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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