Fwiw there's enough intermingling between how the head unit (infotainment) operates wrt to the CAN bus that your car is essentially online.
https://github.com/sgayou/subaru-starlink-research/blob/mast...
https://github.com/sgayou/subaru-starlink-research/blob/mast...
>The online subscription and cellular service connectivity is not directly interacting with the eyesight safety system.
The original article seemed to conflate them.