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How to Replace the KIA Optima Remote Battery

Model: Kia Optima / K5 MK 4, JF - Years: 2015, 2016, 2017, 2018, 2019, 2020
Part: Key

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Video tutorial

In this tutorial, you will see how to replace the KIA Optima remote battery, a very simple and quick operation. You will only need a small flat-head screwdriver and a replacement CR2032 battery.

First, extend the emergency metal key by pressing the appropriate button, then leverage in the indicated slot and remove the rear cover. Next, extract the old battery, insert the replacement ensuring the polarity is correct, and reassemble everything by following the reverse procedure.


Posted on 21 February 2026 by ScegliAuto


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Where are the fuses located on the Renault Laguna?

On the Renault Laguna, the fuses are located inside the fuse boxes installed in the vehicle: in this car model, you will find two boxes for containing the fuses. The first is in the fuse box on the left side of the dashboard, accessible by opening the driver's door: here you will find the fuses for the windscreen wipers, fog lights, horn, etc. The second box is located on the right side of the engine compartment: here you will find the fuses for the dipped headlights, radiator fan, alternator, etc.

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by ScegliAuto

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