NHTSA Complaint #11478907 — 2021 TESLA MODEL Y

On multiple occasions the vehicle in question exhibited dangerous behavior while the "Autopilot" cruise control system was engaged. This is not "fully automated cruise control FSD" but the standard "Autopilot" system. Each of the incidents listed below occurred on multiple dates, multiple times and in various times of day, speeds and weather conditions. 1. While driving at speed, the vehicle, upon detecting the cars in an adjacent lane separated by pole dividers were stopped, suddenly slammed on the brakes in an attempt to stop the car, risking a collision from behind, even with my own lane completely clear of other cars 2. While driving at speed, the vehicle, upon detecting a higher or lower posted speed limit sign alongside the road, suddenly braked or accelerated without warning, risking a collision in front, or behind 3. While driving at speed, the vehicle, upon detecting emergency flashing lights from a passing police, ambulance or fire vehicle, regardless of that vehicle's location or direction, suddenly decelerated without warning, risking a collision from behind 4. While driving at speed, the vehicle, upon detecting a change in lane width, the loss of a lane marker, or the presence of a concrete barrier in place of a lane marker, suddenly swerved to attempt to remain in the center of the changed lane width, and on more than one occasion, almost swerved into a barrier or another vehicle