Testing Tesla Full Self-Driving (FSD) version 12.6.1 at night in New York with a HW 3 vehicle. The latest FSD update shows impressive confidence but also alarming behavior, including nearly running a red light in front of a police car! Watch as the car handles unprotected left turns, narrow roads, stop signs, and merges with real-time reactions. Is this the smoothest Tesla FSD version yet, or still a work in progress? Find out in this in-depth test drive.