The amazing thing is this...
It's a Audi.
So it would have been four inches away from whatever it was following. Thus the Audi grill emblem would have been obscured by the vehicle in front, the one suffering 'The Full Audi'. Thus the AI determined it was an Audi just by the tiny gap to the vehicle in front. Therefore the Googly AI has been watching Top Gear reruns.
Next conclusion is that Google self-driving cars can't see tigers.