The perception that there is a subscription revenue opportunity for intotainment is misguided - the TAM is insignificant, and the net loss of prospective Customers that refuse to buy a vehicle without Android Auto or or Carplay far outweighs any potential subscription revenue.
This will go over about as well as Cadillac Cue did from 2013-2017.
Source - I work in the automotive industry, live in the Detroit suburbs, and live and breathe this stuff every day.