Kreon

[Viper5]

I was told my car needs Kreon??? Apparently there is a whining sound within the first few seconds of startup (like 20 seconds) and the people at the dealership said I need to refill the kreon. The sound isn't always present. Also, I am receiving cold/hot air when I need it so my a/c seems to be working fine. I didn't even know cars used that element. How the heck am I supposed to do this?

EDIT: I think I may have meant Freon.