 And a real wrong turn by a Tesla. A driver in Northern California finding himself on train tracks when the car's self-driving system mistook the train tracks for a road. Dave Vennel from Black Rock Automotive says this is a perfect example of why a driver has to stay alert. You're still supposed to keep your hands on the wheel. You're supposed to be ready to take over at a moment's notice. Nobody was hurt. I'm Sherry Preston, ABC News.