>> you can't treat a public road as a racetrack. that's just wrong. on another challenging road in europe, a runaway rally car suddenly veers off course and heads straight for a crowd of spectators. >> translator: my only thought was, where are we going to end up? >> october 6th, 2014, 9:00 a.m. in italy, a scenic village nestled high up in the alps. cars roar around hair-pin curves in the first stage of the annual rally. >> translator: instead of going on vacations, we spend our money on racing. >> the navigator's job is to help the driver drive their renault sports car by making sure he anticipates curves and road conditions on the challenging rally route.