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Now that cars are like smartphones, we don’t really own them
(www.washingtonpost.com)
This is a most excellent place for technology news and articles.
I could waste my time explaining or you could Google it. Long story short is that there are many ways to send information that don't involve the internet at all, and you'd have to get a mid 90s car if you didn't want any data sent at all. They got worse in around 2012 when more protocols were added as well
Sounds to me like you're talking out your ass. Otherwise you could just explain it instead of telling me to google it. You did after all "waste your time" by even responding.