Don't bite the hand that feeds you. You weren't paying them, Honda was. As a result, dealer can only follow Honda's instructions. They did what they were supposed to be doing. You refused to pay them, obviously they're not going to diagnose Nobody is going to give you a free lunch especially since customers expect Accords to go for under invoice nowadays.I would not call the head unit bad design. In fact, its design has been hailed quite universally as marvelous. If you look around, NOBODY opens up a head unit and fixes it, that I can PROMISE you. You have hereby proved that you are definitely not an engineer.