Hey everyone! I Just bought a 2005 Audi s4 sedan DeCember 24 2011. That was only three weeks ago. This past Monday I got the low oil level icon on the cluster. It was yellow not the red icon. It was about a quart low... This morning( two days later) it came on again and yet again it was a quart low. Haven't noticed oil underneath the car but I parke it in the garage tonight so I can check it in the morning. I am tech at a auto shop but this is my first s4 and before lifting it up tommorow I wanted to see if anyone had any ideas? Possibly valve cover gasket? Crank seal? Any help would be much appreciated!! Thanks