If you follow along at 0.25 speed one can tell that the screen is moving slightly in a non-linear fashion while the car is just beginning to move. Also the screen mysteriously does not experience any motion blur, though the rest of the car does.

http://imgur.com/P49KsjB https://www.youtube.com/watch?v=NRMpNA86e8Q&feature=youtu.be...

Screen is certainly superimposed. That's why the cut is there, he did not want to put in the work to overlay the headrest of the seat.