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.