i was reading that audis have a self-diagnositics in there cliamte control and i was told to press the recirculation button and then the up arrow. though i dont know what i can do after that. once i do that and let go it says 1c. i also read that you can make the climate control read the mph your going??!?!?!?! can anyone help me out?

 

i read about it on audiworld's tech articles.