"In a world where traffic cameras, license plate readers, NSA mass surveillance, intelligence-gathering 'fusion centers,' and warrantless searches are ubiquitous, privacy might seem like a quaint idea. But it’s one the Framers of the American system took seriously." ~Jon Miltimore
How is the car going to know if I’m drunk or not? Anyway, I’m not concerned, because if I can be confident of anything it is that someone will quickly figure out how to disable, trick or overcome any government mandated safety equipment installed.
Cameras in the car. Most cars have something similar for the assisted driving.