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How to Replace the Key Battery on a Kia Carnival 4

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

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Video tutorial

To independently replace the battery inside your Kia Carnival fourth series key, you only need a few seconds. In the following guide, you will find a step-by-step description of the procedure you need to follow.

First, take a flat-head screwdriver and a new CR2450 battery, then use the screwdriver to easily remove the protective cover of the key. Locate the dead battery and remove it as well. Finally, simply insert the new battery into the designated compartment and close the cover.


Posted on 23 June 2026 by ScegliAuto


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by ScegliAuto

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