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How to Reset the Maintenance Light of the 2018 Kia Optima

Model: Kia Optima / K5 MK 4, JF - Years: 2015, 2016, 2017, 2018, 2019, 2020
Part: Warning light – error code

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Video tutorial

When the maintenance light of your 2018 Kia Optima remains illuminated even after performing the regular service, you will need to carry out a manual reset. In this guide, you will learn the various steps to follow.

First, get into the car and turn on the ignition by pressing the start button twice in quick succession. Next, locate and press the menu button several times until the maintenance screen appears on the display.

Finally, hold down the "OK" button and wait for the reset of the light to complete.


Updated on 1 October 2026 by ScegliAuto


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by ScegliAuto

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