Audi takes its self-driving car where others dare not go
 

The self-driving future has a ratings scale. The classifications begin at zero, where you're constantly in charge of all the car's acceleration, steering and braking. Basically a car without cruise control. It ends with Level 5, where the car that do...

https://www.engadget.com/2017/07/11/...s-dare-not-go/