this post was submitted on 05 Jul 2026
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Electric Vehicles
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I wish that all car manufacturers would start using UWB technology with their keys. It lets the car detect the physical location of the key, accurate to within 10 centimeters (4 inches).
This allows for very accurate automatic lock and unlock, and is essentially completely immune to relay and replay attacks. Even if the car receives an unlock signal, it won't actually unlock unless the key is also physically close to the car.
It also lets you use your phone as a key with the same automatic lock and unlock features, as long as it supports UWB, like the Pixel Pro, Galaxy Plus and Ultra series, and iPhones excluding the SE.
Or just bring back metal keys and drop the insta steal bullshit.
Pretty sure the Ioniq does use uwb. You can use your phone to unlock in other countries. Idk why it doesn’t work here. And with the keyfob backup it does know where the key was.
Huh, I didn't know that.
I'd like to see all cars use UWB though, even low-end ICE ones. Some people want a new car but can only afford low-end models, and they should be able to get the same security and key functionality as on higher-end models.