I bet you anything when you press that button it is inserting ҉ into whatever field you're typing into.
http://en.wikipedia.org/wiki/Unicode_control_characters#Bidirectional_text_control
I know that the version of SetPoint I'm using inserts characters into text fields when I press back/forward scroll (currently bound to back/forward). I'd guess for whatever reason on that version of SetPoint that button is bound to one of the text control functions.
Again, piggy back shit = fale.
... as for the Buick thing, you'll see it out next spring. Well, by it, I mean most of it. It might not look like a Regal.