I would like to formally report several incidents I have experienced with my newly purchased Tesla Model Y. I acquired the vehicle on [XXX], collected it from Washington D.C., and drove it back to Houston between September 20 and 21. Prior to my return journey, I conducted a test drive. During this drive, at dusk, I engaged Full Self-Driving (FSD) mode. The vehicle stopped appropriately at a traffic light; however, once the light turned green, it moved forward but veered into the yellow safety buffer zone located between the lanes of opposing traffic. I intervened by manually steering the car back into the correct lane. A similar occurrence happened in Washington D.C. while attempting a left turn under a highway overpassâthe vehicle again crossed into the yellow lines. These incidents suggest that the FSD system did not reliably detect the yellow lane markers. On the weekend of [XXX], during my drive to Houston, I primarily used FSD. While navigating a road construction zone, the system failed to recognize large safety cones (yellow columns) and nearly collided with them. Fortunately, I was attentive and promptly took control, braked, and changed lanes to avoid an accident. This demonstrated the FSDâs inability to identify these safety markers. On Tuesday, [XXX], I drove the vehicle to work and returned home using FSD. As I exited the highway onto a ramp merging with frontage lanes, I observed that FSD did not reduce speed appropriately and nearly made contact with vehicl