2002 Kia Optima Q&A

2002 Kia Optima Question: whats wrong with my air I get nothing but straight head when air is turned on

I don't really know bout this car cause its used just trying to get this car together -
Answer 1
check fluid level and maybe you need thermostat if coolant hoses not hot after running engine for 15 minutes or your blend door not working. -