You probably just hit a billion dollar idea. Come up with a (many really) car computer replacement. They generally use standard protocols and there can only b

You probably just hit a billion dollar idea. Come up with a (many really) car computer replacement. They generally use standard protocols and there can only be so many variations. Your solution could end all the car subscriptions, give more and better options, unlock heated seats, etc. With physical access to the car there is only so much a manufacturer could do to stop it.