Hi, a few days ago friend showed me this thing on 99 audi a4 air conditioning unit where he held down the recycle air button and the up button? or something, i forogot. But He said the different codes were for different features, like does anyone have a list of what all the codes do? thanks!

 

BAM!

 

Nice Jestnomen, that's a handy page to have. Thanks for posting it.

 

thanks ur my hero ^^

 

not a problem.