U.S. regulator questions Tesla on the dearth of a recall after an replace to Autopilot.

The federal government’s top auto-safety regulator is wanting into why Tesla didn’t concern a recall final month when it up to date software program in its automobiles to enhance their potential to identify stopped emergency vehicles corresponding to police automobiles and hearth vans.

The regulator, the National Highway Traffic Safety Administration, has additionally ordered Tesla to offer information about its Full Self-Driving software program, which it has allowed a small set of homeowners to check on public roads.

NHTSA opened a proper investigation over the summer time into 12 crashes in which Tesla automobiles working in Autopilot mode — a driver-assistance system that can steer, brake and speed up a automotive by itself — didn’t detect stopped emergency vehicles that had their lights flashing in low mild.

In a letter to Tesla on Tuesday, the company reminded the corporate that federal regulation requires automakers to provoke recollects in the event that they discover defects that pose a security threat.

NHTSA informed the corporate to offer detailed data on a software program replace despatched in late September that modified Autopilot and enhanced its potential to detect emergency lights.

The letter informed Tesla to state whether or not it intends to concern a recall associated to the replace, and if not, any authorized or technical causes that it declines to take action.

“Any manufacturer issuing an over-the-air update that mitigates a defect that poses an unreasonable risk to motor vehicle safety is required to timely file an accompanying recall notice,” the company mentioned within the letter.

The letter was despatched by Gregory Magno, the chief of NHTSA’s car defects division in its office of defects investigation, to Eddie Gates, Tesla’s director of subject high quality.

NHTSA additionally ordered Tesla to offer the variety of house owners who have been given Full Self-Driving software program and copies of any agreements the corporate has with the house owners. Tesla’s chief govt, Elon Musk, has described Full Self-Driving as a expertise that would permit automobiles to drive autonomously in most circumstances. But the software program isn’t able to piloting a automotive with out energetic engagement of a human driver.

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