It's pretty obvious the dealership meant limit 1 per car, but if no limit is stated, than their marketing dept. dropped the ball. This is somewhat akin to the guy that collected enough Pepsi Points to win a Harrier Jet. Pepsi put it in the ad as a joke, and then he came up with the points needed for it. He never got it though. (Which I think was wrong.) I think he should get his car. There are a lot of dumb things that are on products and such, but I don't think it's too much to put "Limit 1 coupon per car" on these things. Going as far as putting a warning against eating the coupon would be excessive... But I agree Irish, He'll probably lose.

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Put me on wheels and I'll turn tricks.

Clever? Nah, I ran out of that years ago. But if you find this, let me know, k?
"The road goes ever on..." ~ Tolkien

In memory of my friend skip...
Go then, there are other worlds than these