It’s Official: Cars Are Terrible at Privacy and Security
foundation.mozilla.org
All 25 car brands we researched earned our *Privacy Not Included warning label – making cars the worst category of products that we have ever reviewed

Mental health apps also bad for privacy matt-jokerfied

From a comment on the recent LWN.net article that links to this:

I quite liked Kia’s privacy policy states it may process “special categories” of data, including ... “trade union membership”. But then I don't own a Kia (or any other kind of car).