I have a 2 week old 07 Vibe and the heater/AC fan works intermittently. It will work for an hour or two, and then not work(on any setting) until the engine is cooled down, usually 1 to 2 hours. I am taking it in Monday to try to get it fixed. I would like to know if someone else has experienced this problem, so I can point the mechanic in the right direction in case it is working when I take it to them. I don't like being at the mercy of the dealer. You guys usually know more than they do. By the way, thanks for the great site. I was a lurker for several months before I bought my Vibe. Thanks in advance for your advice and experience.