Can disconnecting my car's antenna be enough to protect me from Onstar-like services?

I made a post a while ago taht I'm in the market for a car, and almost all of them have an on-star like system.

There are two aspects to privacy here: app usage, and built in tracking.

Obviously I won't use the app, but I'm wondering what to do about being tracked by onstar (vw's equivalent in this case).

Would disconnecting the sharkfin antenna be enough in this case?

I know I'll lose radio and what not, but I …

app can car market privacy protect services star system tracking