It's a significant R&D investment for sure, but it basically boils down to building a modern interface to talk to CAN-bus driven hardware from high-level softwa

It's a significant R&D investment for sure, but it basically boils down to building a modern interface to talk to CAN-bus driven hardware from high-level software, and providing that data, along with audio/video output and user input, to an Apple smartphone. If you do it right, the effort should be re-useable for an improved Android Auto experience as well, not that I know if anything like that is in the making as of now.