At WWDC 2021, Apple announced the new iOS 15 and CarKey features. The most interesting thing is unlocking and starting the car without having to take your smartphone out of your pocket or bag.

What is CarKey and how it works, we talked about in a separate article:

The Car Connectivity consortium, which also includes Apple, has published a new Digital Key Release 3.0 specification. It will allow you to unlock and start the car with your smartphone in your pocket.

This works thanks to the Ultra-Wide Band chip, which Apple calls the U1. The chip is installed in all iPhones starting from the 11th line (except for the second generation iPhone SE). Unfortunately, the chip is currently unavailable in Russia, but everything may change:

Security has also been improved: accurate position information with the U1 helps prevent relay attacks. Plus they added NFC support for backward compatibility.

At the moment, CarKey is only available to owners of BMW 1, 2, 3, 4, 5, 6, 8, M5, M8, X5, X6, X7, X5 M, X6 M and Z4 that were released after July 1, 2020. Hyundai is expected to add CarKey support to select vehicles in the near future.

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