I agree with the other that short and to the point is best. Demand that they find or buy you a new spare. The worst that happens is they say no and you end up getting another one yourself anyway. But at least you will have their attention and it will be on record.

With my whole family working at auto auctions and my uncles auto transport business I grew up around dealers and there arent very many that I trust. I even worked as a mechanic for a short time for one of the worst in Denver (Douglass Toyota). Makes you wish all stealerships did like Len Lyle Chevrolet does here. The owner puts his direct office, home, and personal cell phone numbers on the screen for all his commercials.

Btw, Owner and President of Chapman Automotive Group is Ted Chapman. Same contact address that you have for the COO though.