Hyundai and Kia's Breakthrough: Shape-Shifting Tires for Safer Winter Journeys

TTAC Staff
by TTAC Staff
Photo credit: Hyundai

Hyundai Motor Company and Kia Corporation have introduced an innovative snow chain technology for tires, poised to enhance winter driving safety. This new technology incorporates shape memory alloy modules located within the wheel and tire assembly. These modules can be activated to function as snow chains with a simple electrical signal, offering a seamless transition from regular to winter-ready driving.


Effortless Operation and Safety Enhancement

The main advantage of this technology lies in its ease of use. Traditional snow chains require manual installation, which can be both time-consuming and challenging. In contrast, the new system from Hyundai and Kia utilizes shape memory alloy that can be deployed or retracted at the push of a button. This not only saves time but significantly improves safety, especially during unexpected heavy snowfall.


The Technology Behind the Innovation

The design of this snow chain-integrated tire technology is quite intricate. The tire features radial grooves, similar to slices of a pizza, where modules made of shape memory alloy are inserted. When not in use, the alloy remains compressed inside the wheel, resembling the shape of an 'L'. Upon activation, an electric current causes the alloy to return to its original shape, extending out of the tire in a 'J' shape. This extension makes contact with the road surface, thereby enhancing grip and stability in snowy conditions.

Moreover, this technology offers an additional safety feature. In case of severe tire wear, the visibility of the module alerts drivers to the need for tire replacement, ensuring that tire maintenance is not overlooked.


Future Prospects and Development

Currently holding patent-pending status in South Korea and the U.S., Hyundai Motor and Kia are considering the mass production of this innovative technology. Before this can happen, further technological advancements, durability tests, performance evaluations, and regulatory reviews are necessary. This forward-thinking approach reflects Hyundai and Kia's commitment to leveraging advanced technology for real-world applications, focusing on enhancing the safety and convenience of their vehicles.


This article was co-written using AI and was then heavily edited and optimized by our editorial team.

TTAC Staff
TTAC Staff

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  • Cprescott While this seems like good news, IIHS is a complete racket that arbitarily changes standards at a whim based on specious evidence. Once cars meet these standards, IIHS changes them so that most will fail so they get publicity. This is how they work. And I'm not even going into the fact that they are funded by the insurance companies....
  • Cprescott Good old days of Volvo. Can't say tht about their current garbage.
  • Cprescott Wasn't Heir Yutz affiliated with this company. He has the reverse midas touch.
  • Master Baiter I actually received an engineering job offer from Fisker in early 2021. Glad I declined it...
  • Bryan The simple fact that the Honda has a CVT & the Toyota doesn't was more than enough for me to pick the Toyota for both of my daughters.
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