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How to Start with a Flat Key on a Hyundai Tucson MK3

Model: Hyundai Tucson MK 3, TL - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: Key

See other generations:
Video tutorial

In this video, see how to start even with a flat key on a Hyundai Tucson MK3: the YouTuber has intentionally removed the battery from the remote to demonstrate. This vehicle has a push-button start, and indeed the dashboard indicates that the key is not detected.

However, you can still start the car. Take your electronic key and use the top part to press the start button: with this, you are ready to start normally, and just remember to replace the battery as soon as possible.


Updated on 20 August 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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