Do it yourself
Frequently asked questions about cars and motorcycles

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

Model: Hyundai Tucson TL, MK 3 - Years 2015-2021
Part: Key

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

Video tutorial

Related tutorials

Hyundai Tucson (2015-2021 / TL, MK 3) To be able to replace the battery inside the key of your third-generation Hyundai Tucson by yourself, just follow the procedure described in this new…
Hyundai Tucson (2015-2021 / TL, MK 3) Is the battery in your Hyundai Tucson key dead? Here’s how to change it. Take the remote and use a screwdriver to pry between the two parts of the ke…
Hyundai Tucson (2004-2009 / JM, MK 1) Is the battery in your Tucson key dead? Want to replace it? Here's how to disassemble the key. Take the remote key and separate the piece: remove the…

Other guides you may be interested in

How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

Watch the video!


by ScegliAuto

More videos