No, the system could always maintain the correct distance to be able to break given your speed and the speed of the car in front of you or maintain that the cra

No, the system could always maintain the correct distance to be able to break given your speed and the speed of the car in front of you or maintain that the crash will never exceed X speed based upon stats of the vehicle of survival rates. As another commenter said, even reducing 10km more than a human will reduce the consequences.