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How to Replace the Key Battery of the 2022 Kia Carnival

Model: Kia Carnival MK 4, KA4 - Years 2021-2026
Part: Key

In this mini guide, discover the steps to correctly replace the battery inside the key of your 2022 Kia Carnival. First, locate the metal button situated in the upper corner of the cover and press it to release the emergency key. Next, use a flat screwdriver to remove the cover and locate the exhausted battery. Remove it with the help of the screwdriver, and finally, insert the new button battery.

Updated on 15 August 2026 by ScegliAuto

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