Here’s a great diagram, sent to me by Thomas W.
It’s from Automotive News Europe and you can download the full-size PDF here (right click, save as).
I’m always amazed at the complexity of the car business. It’s something we all take for granted. Not only do you have the challenge of designing this machine that’s got to be comfortable, reliable, etc, but you’ve got to manage all the suppliers and the just-in-time manufacturing process used for manufacturing that machine.
It’s amazing stuff.