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Tesla Vision fails as owners complain of Model 3 cameras fogging up in cold weather
(www.notebookcheck.net)
This is a most excellent place for technology news and articles.
So, the only way to have anything covered under warranty is to never have your Tesla leave the indoor track which is temp/humidity controlled.
Oh how far we've advanced.
No point in doing warranty work when you don’t have a fix for the problem, this is what happens when you buy hard goods from a manufacturer that runs itself like a software company.