After recent snow storms in North America, some Tesla owners are experiencing the Autopilot in the snow for the first time and they are surprised that the Autosteer is able to keep steering despite not detecting any lane marking or even a lead vehicle.
The Autopilot wasn’t meant to be used in those conditions and it is still not recommended officially, but it was designed to be able to continue working for brief period of times where lane markings were fading or to give time to the driver to take control
During the release of the first Autopilot update, CEO Elon Musk gave the example of fading lane markings on the 405 in Los Angeles where the Autopilot was working.
The company has been improving on the system ever since and the latest versions have resulted in some decent performance without markings – even in the snow. A new video posted today by a Model S owner shows Autosteer keeping its path despite the vehicle often not detecting the lanes or even having a lead vehicle: