I went to go do a jumpstart my corolla which had been sitting for quite a while and I go to turn on the fan(it is quite hot). Nothing happens. All of the switches do nothing and there is no air whatsoever coming through the vents. I'm trying to sell this car and not many people want to buy a car with no ac or heat. Any ideas why it doesn't work? or any parts I may need to fix it? I suspect the fan that pushes the air just broke but I'm too scared to lay a finger on any components as I don't want to make anything worse. Any other 98 corolla people have this problem too?