A Tesla driver was filmed apparently fast asleep behind the wheel at about 100 km/h on British Columbia’s Trans-Canada Highway on Sunday, with two sleeping children in the car.

The obvious question is how Tesla’s driver monitoring — the very system meant to catch this — let it happen. The answer is that the driver was wearing large sunglasses, and that one detail exposes a real gap in how Tesla watches its drivers.

What happened on Highway 1

A family travelling between Golden and Revelstoke came across the Tesla on Highway 1 and started recording, according to a Castanet report. The witness, identified as Carleigh, said the driver was “fast asleep” and visibly slumped to the side while the car continued at roughly 100 km/h.

The video was reposted to a regional Facebook group and picked up locally. Carleigh said she called the Revelstoke RCMP, who later told her they had the license plate and would track down the driver.