The EFF (Electronic Frontier Foundation) published an article last year about car manufacturers and the data they collect about you (and sell.) It’s worth a read.

They provide links to many car manufacturers’ websites to opt out of certain data collections, but probably not all. It’s still worth doing whatever you can do to opt out of everything you can by following the links:

https://www.eff.org/deeplinks/2024/03/how-figure-out-what-your-car-knows-about-you-and-opt-out-sharing-when-you-can