Attendees sit in the self-driving Mercedes-Benz F 015 concept car at the Mercedes-Benz booth at the International CES Tuesday, Jan. 6, 2015, in Las Vegas. (AP Photo/Jae C. Hong)
Attendees sit in the self-driving Mercedes-Benz F 015 concept car at the Mercedes-Benz booth at the International CES Tuesday, Jan. 6, 2015, in Las Vegas. (AP Photo/Jae C. Hong)