Heater blowing cool air

Hello,

This sounds like you have a temperature blend door actuator that is not working. Here is a guide to help you see what I am talking about:

https://www.2carpros.com/articles/replace-blend-door-motor

Here is the location for your car the first one is the temperature actuator.

This guide can help as well.

https://www.2carpros.com/articles/car-heater-not-working

Check out the diagrams (below).

Please let us know what you find. We are interested to see what it is.

Cheers, Ken