Problem. Saturday, 02.03.07, my 6's temp gauge jumps to HOT after only being ran for 15min or so. I stop at the parents house and let her calm down, then decide to drive another 20min home. On the way home the temp gauge is fluctuating from mid (normal) to HOT, but it always seems to correct itself and come back down. But now there is an added feature and it's blowing cold air out, instead of warm/hot. The damn inside of the car started frosting up it was getting so cold. So...I let her sit for a day, Sunday, and get up this morning to start it for work and let it get warm. Well, the temp gauge get's to normal, but the car is blowing out ice cold air...starting to frost over the interior again. I moved it to the garage after my roomate left and that's were it's sitting right now. Anyone have any idea on what the problem could be? I was thinking just a stuck thermostat, but not sure. I have an extended warranty, but the pain in the ass thing doesn't cover the thermostat...or heated seats which I found out last week. My driver's side seat went out...if anyone knows where/how I can get that fixed for under $300...you'll be my new best friiend. Just need some help or ideas so I don't have to pay another $90 to Mazda to just have the thing 'looked at'.