I have an '06 A4 cab. The consensus is that it is a B6. My instrument lights (speedo, tach, etc) no longer light during the day. They work fine whenever the headlights are on in either auto or manual mode. I understand that there is a seperate light sensor for the instrument pod. If so, where is it and can it be repaired or replaced. I hope that I don't have to go to the dealer and replace the pod; if so, I will live with it the way it is!