The lights below the tyre gauge, I cannot for the life of me remember what they are, I'm not sure they are on the S4 even! I'm sure a series II owner can post up.
Or someone might be able to scan their handbook?
Rich, I believe Wolfgang means the 3 buttons for the Tyre Pressure Monitor. Wolfgang, the three buttons allow you to cycle through the functions of the TPS, as well as reset it. As mr_tony (Rich) said, the system was so unreliable that it was dropped on later Aero 8 S4s and on many of the later production Aeromaxs.
