The Tire Pressure Monitors on your wheels constantly send individually identifiable radio transmissions. These aren't in any kind of central registry, but you can walk by someone's car, read the TPMs, then set up monitoring stations to read TPMs and find out where a car goes.
The Tire Pressure Monitors on your wheels constantly send individually identifiable radio transmissions. These aren't in any kind of central registry, but you can walk by someone's car, read the TPMs, then set up monitoring stations to read TPMs and find out where a car goes.
I always wondered how they wired sensors into tires. Guess I'm not surprised that the answer is they didn't.