Originally Posted by pjalexandre

Here you go. almost everything you wanted to know about the secret codes in your HVAC center display. This is for Boxster but should be mostly the same for the 996. Do a search on RL, here and Rtech for even more info.

http://www.cb-racing.com/boxster_AC.html


FYI, everything that is displayed is metric for speed, temp, etc