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.