One other thing I noticed was the fan not kicking on. I sat with the car parked and running for about 10 minutes in 85° heat. I opened the the hood and the fan never kicked on, with and without the A/C being on.Just heard from a local mechanic on the A/C issue. He said the compressor is not getting power, and on his research GM has problems with body control modules, where it could be getting the power from. He checked everything else and it was OK. He said he doesnt know what else to do with it. I would think that would be somewhat of a simple issue, but of course it never is.