A driverless car has been stopped for impeding traffic in California, doing 25 in a 35 minimum zone.
Backside wonders how you stop one of them? ‘Scuse me, er, sir, er ma’am, er…’
Does that harridan on the GPS answer back? ‘Type your name and badge number on the screen, press enter. Calculating, calculating. Invalid request. Bugger off.’
Boadicea's Chariot 
Smiley thing!
Much to be said for the good old “Oy, you!”