Toyota want a subscription for AA/CP? For something with a one-time development cost and nothing ongoing after?

Wow.

Wait, what? You can develop software one time and never need to follow up with updates or nothing ongoing after? Sign me up

Really? It's a rounding error. Both are essentially video mirroring protocols with some bidirectional stuff for speed / fuel level etc.

Compare that to the effort made to do your own satnav, or integrate an existing one, then get back to me.