Ok I dont really know where to post this problem so I decided to post it here. Ok I took my car out for a ride today and i noticed a weird odor coming from the vents as i had the heater on. It smelt like as if something was burning I also have plans this week to get a new catalyst converter installed could that be the cause of this? Also the sliding switch for the cold and hot is hard to put on heat is my heater broken ? Thanks in advance.