Fully autonomous passenger vehicles are NOT ready yet. Not one manufacturer has ever stated they are. Any vehicle with autonomous features clearly states that driver must be ready to take control at all times. Taken directly from below article… “Autopilot and Full Self-Driving Capability are intended for use with a fully attentive driver, who has their hands on the wheel and is prepared to take over at any moment.”
Autopilot and Full Self-Driving Capability | Tesla
So who’s at fault…The DRIVER…PERIOD.