THESAURUS
backseat driver
Dutch uncle, Paul Pry, Polonius, Sunday driver, admonisher, adviser, bus driver, busman, busybody, buttinsky, cabby, cabdriver, chauffeur, confidant, consultant, counsel, counselor, driver, expert, guide, hack, hackdriver, hackman, hacky, hit-and-run driver, instructor, intermeddler, jitney driver, joyrider, kibitzer, meddler, mentor, monitor, motorist, nestor, orienter, preceptist, prier, pry, road hog, snoop, snooper, speeder, taxidriver, teacher, teamster, truck driver, trucker, truckman, yenta
