2008 Kia Optima Q&A
2008 Kia Optima Question: what would cause the airconditioner and heater both to not work?
are you saying it does not blow warm air or cold air, or are you saying, it doesn't blow any air. if it is not blowing any air, you are having a blower fan motor problem. it could be the switch , the resistor, or the motor itself. typically, if the resistor fails, it would still function on 1 or 2 of the speeds SSAS1 ASE certified master technician-30 years experience - SSAS1