EU is your best bet here - but frist you have to wait for the decline of the German Car Complex, so the EU is not in their pocket anymore. If it guards their marked to have high privacy standards in cars, then it will be enforced.
And it is unrelated to all the data the manufacturers collect.
Cars will monitor driver attention, reckless driving, speeding and tattle to the manufacturer and insurance company. I expect these changes to be gradual and people will grouch about it before ultimately relenting.