OK. I turn on the a/c on my 01 lincoln towncar on the screen it shows that it is on but it does not blow any air and same for the heater please help thanks

. Check all under hood and under dash fuses with a test light or multimeter.

. Learn how to perform EATC on-board diagnostic tests for your vehicle:

https://www.askmehelpdesk.com/cars-t...ml#post1999642