American automakers are desperate to sell cars to ‘millenials’ – who are hardly likely to be impressed by such tired, tacky sexism Stepping into the North American international auto show in Detroit this week , which opens to the public on Saturday, is like being thrown back in time. On almost every stand, a statuesque blonde or brunette twirled and politely posed for the cameras. Standing in heels and smiling all day can’t be easy, especially when you are being snapped by the world’s auto press.