I like to just pretend it's a "vaporizer" button handy for vaporizing all other traffic that's in my way when I'm late getting somewhere.

Seems to be just another defect in the Vibe that occurs after the bumper-to-bumber warranty is expired. My young son and I like just believing it's a ghost in the dashboard that wants to get out. I have solved it by either leaving the recirc button on or when I need defrost and recirc must be off, I...