Ok stop with the panicking.
What's wrong with GPS in vehicles? If it's not connected to the internet, there is no issue.
What's wrong with playing music from the phone on Bluetooth or Aux? Did you also know you can ride a horse instead of a car?
Bluetooth and WiFi isn't running if you turned them off. Bluetooth also isn't really used for tracking unless someone is looking for you or you're part of some service like AirTags.
> Ignore your car's complaints and error messages. Did you know Orange dash error lights are non critical?
What? Worse advice out there regarding cars.
If it's not connected to the internet, there is no issue.
It's connected to the Internet. Every car has a SIM card now.