According to Sawyer Merritt (@SawyerMerritt), Tesla's Full Self-Driving (FSD) V14.2.2.1 paired with Grok navigation demonstrated strong AI performance during a challenging snowy nighttime drive. The system effectively managed invisible lane markings, slippery roads, bridges, hills, and high-speed turns on a snow-covered 50mph road, showcasing robust real-world perception and adaptive decision-making. This highlights significant advancements in autonomous vehicle AI for extreme weather, opening new business opportunities for deploying self-driving technology in colder regions and enhancing safety in adverse conditions (source: Sawyer Merritt on Twitter).

According to Sawyer Merritt, Tesla's Full Self-Driving (FSD) V14.2.1 successfully navigated rural New Hampshire roads covered in snow, exhibiting heightened caution on unplowed surfaces (source: Sawyer Merritt on Twitter, November 28, 2025). This real-world demonstration highlights advancements in Tesla's AI-powered autonomous driving, particularly its ability to adapt to challenging weather conditions. The improved safety behavior and adaptability in inclement weather signal significant progress for AI-enabled vehicle autonomy and present new opportunities for autonomous vehicle deployment in markets with harsh winters.