A person shall not drive a motor vehicle if a television receiver, a video monitor, or a television or video screen, or any other similar means of visuall

A person shall not drive a motor vehicle if a television receiver, a video monitor, or a television or video screen, or any other similar means of visually displaying a television broadcast or video signal that produces entertainment or business applications It doesn't have to be only an entertainment device. If it can produce entertainment or business applications, it's not allowed. http://www.dmv.ca.gov/pubs/vctop/d12/vc27602.htm http://www.dmv.ca.gov/pubs/vctop/d12/vc27602.htm There are exceptions for devices that have interlocks that allow them to act only as a GPS, map, vehicle information system, or or rear-view camera display while the vehicle is in motion. The Glass doesn't meet these criteria as it has no such interlock.