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Unpatchable AMD Chip Flaw Unlocks Paid Tesla Feature Upgrades
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
That's just paying a little more for your car when you buy it, not as a dlc.
Unless you couldn't afford the fancy features and later could, or move somewhere colder from somewhere warm, but all the pieces are already there and built.