Hyundai has used a flip key key fob since 2015 and they remain in use today (2025) in some models. The mechanical key is found by pressing the chrome button on the end opposite the key ring. The mechanical key is released and remains attached to the fob.
Newer version key fobs are available that look very similar and operate in the same way, with one primary exceptions, found next.
If a key hole is visible, use the key to unlock the driver’s door.
With the introduction of the Ionic 6 in 2022, Hyundai began
In our opinion, this development is a prescription for disaster, as the mechanical keys can easily be lost or simply left behind, so by all means activate the additional unlock features described below!
Starting with the 2014 Hyundai Genesis, (prior to the new independent Genesis line, which debuted in 2017), the manufacturer adopted the hidden keyhole
Pulling the cap while holding some upward pressure will work best. There is a black button in the slot that is being pushed up with the key in this move and the cap is immediately to move!
And yes one way or another you must pull a piece of your car off, but its ok! The cover will come off exposing the keyhole.
We have a video of the process on this page.
Ionic, Ionic 5 and Ionic 6 vehicles feature a flush door handle. A push on the front of the handle will rotate the rear part outward. Then pull the handle out as far as it will go. In all vehicles except the Nexo, the key hole is immediately visible (left). The mechanical key can be inserted and turned to unlock the vehicle.
Place the registered smart phone or card key against the pad for two seconds to unlock the driver’s door and for four seconds to unlock all the doors.
However, given that the mechanical key is supplied separately and can be far too easily misplaced, we highly recommend following the instructions in the owner’s manual to activate both the smart phone and facial recognition features as back up entry options and to keep the card key with you at all times.
Also, check our videos for additional help.
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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.
These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.
Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.
The author has 25 years of automotive experience and has assembled the most extensive collection of symbols and warning lights anywhere (over 1,000!) and can help you open and start any keyless start car with a dead key fob battery. BA, St. Joseph’s College, ME: MS, Rensselaer Polytechnic Institute, NY
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