<i>> ALL advanced driver assistance systems available today require the human driver to be in control and fully engaged at all times</i><p>Maybe this is that he doesn't count anything where the driver does not have to be fully engaged and in control to be driver assistance? Because you can get a Mercedes Benz E-class with Drive Pilot today, which is rated at level three. Under some pretty restrictive conditions [1], you can legally read a book or play games.<p>[1] on the highway, below 40mph, only on specific roads in California and Nevada, daytime, good weather, etc: <a href="https://www.mbusa.com/en/owners/manuals/drive-pilot" rel="nofollow">https://www.mbusa.com/en/owners/manuals/drive-pilot</a>