Level 4

“If you're driving a level two system or a level three system or a level four system, For 99.9999, like three or four nine, identical. The difference is like the fifth or sixth or seventh nine on that is these like extreme corner cases.”

“To level four, where a driver doesn't have to be in the car, and where a vehicle can drive autonomously without anyone in the car, that's a big shift. That's something that is not going to happen in the next couple years.”