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How to Replace the Key Battery on a Kia Carnival?

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

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Video tutorial

To replace the key battery on a Kia Carnival, follow these steps. Start by opening the key shell using a flat screwdriver or a similar tool.

Once opened, locate the battery inside the key. It may be a CR2032 button battery or similar. Carefully remove the existing battery, taking care not to damage the contacts.

Insert the new battery into the battery compartment, ensuring it is positioned with the correct polarity. Close the key shell carefully, ensuring it is securely closed to prevent accidental opening.

Test the key to ensure it functions correctly, including the buttons for locking and unlocking the doors. If the key works properly, the battery replacement process is successfully completed.


Updated on 5 November 2026 by ScegliAuto


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by ScegliAuto

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