We own a 2008 Enclave and live in a Northern, cool climate. During three recent trips south, we noticed that the Cabin was getting hot and that very little air was coming from the vents. We tried lowering the temperature and trying to manually adjust the fan speed. Nothing worked! The fan speed stayed the same and the interior just got hotter. This has happened several times now, with the latest incident on I-75 close to Detroit. Outside temps have always been above 80 and high humidity. Dealer says they cannot duplicate the problem. We have found that, if we turn olff the AC for 15 - 25 minutes and then turn it back on, the AC will work for at leaqst a while. I have seen the same issue reported Edmonds' blogs. Has anyone seen this, or more importantly, has anyone been able to get it fixed? This turns a good car into a very poor one!