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How to Replace the Key Fob Battery of the Kia Optima?

Model: Kia Optima / K5 MK 3, TF - Years 2010-2015
Part: Key

To replace the battery of the Kia Optima key fob, slide the key out from the top of the device by moving the corresponding lever. This will allow you to extract the key and leverage it within its housing. Once removed, you can pry open the fob to access the battery inside. After removing the old battery, insert the new one, close the fob, and check that everything functions correctly.

Updated on 31 August 2026 by ScegliAuto

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