it's lost its mind!!!! Anyway, my heater only seems to blow out of the vents when it feels like it, usually only after the car has been running for around 20 minutes, well after the engine is heated. I have the climate control system, and for some reason the heat will leak out of the front vents (defrosters) for 15 to 20 minutes, and then finally start blowing out of the vents. I know that is not normal....... Another question, when the heater IS blowing out of the vents correctly, it has to be set at 85 or below. If I click it to 90 degrees, then it will automatically kick it out of the defroster vents again. Is that normal?