It's a Cross Pattée;

http://en.wikipedia.org/wiki/Cross_pattée

Often confused with a Maltese Cross;

http://en.wikipedia.org/wiki/Maltese_Cross_(symbol)

I've never seen one as a Car Freshner?
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"Please post pics as attachments instead of just image links. I wanna see the whore's box. Not a box". - Gia Jordan