So before we start I just want to say how stupid I feel. I bought a new and needed blower motor for my 1996 a4. The 97 one isn't compatible. I installed it and it worked great. I was so excited to test it's functionality that I put everything back together but never screwed in the motor. I was driving when the blower motor popped out and spun around, then the lights for the climate control went out and refuse to come back on. Soooo this is my problem. I can't get the climate control to come on or function or do anything at all. The lights on the buttons come on, but none of the displays do. I really need to fix this. As I said this was extremely stupid but I really need help.