Sure it's the thought that counts, but life is too short to suffer bad gifts. Send the gift givers you know a not-so-subtle hint that you want Zipcar.
First, what's the occasion? Just because I'm graduating It's my birthday I'm getting hitched

Choose your message:
	You won't get me my own car, but how about a Zipcar?
	I want to save the world. But for now I'll start with car sharing.
	I'll never ask to borrow your keys again.
	It's less 'exhausting' than owning my own car.
	This will help with the guilt, I promise.
	Happy BMW to me!
	I couldn't add Zipcar to the gift registry. But now you know.
	I never really liked the jam of the month, anyway.
	I'm way more creative than you guys — I'd rather enter my own message:

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Send a copy of this message to myself.