Tesla Vision fails as owners complain of Model 3 cameras fogging up in cold weather::A number of Tesla owners have taken to Reddit after their front cameras fogged up and stopped working in cold weather, leaving several features, including the US$10,000 FSD Beta, inoperable. Tesla has declined to assist to these customers, despite many of their vehicles being covered under warranty.
It's like they only ever tested it in SoCal on sunny days.