HI EVERYBODY I HAVE A 2006 , V8 TOAREG, WHIT AIR SUSPENSION SYSTEM, I ALREADY CHANGED DURING THIS LAST 3 YEARS , MANY PIECES FROM THE SUSPENSION BUT I NEVER MADE ANY CHECK IN THE AIR SUSPENSION SYSTEM, BECAUSE , IT LOOKS FINE, AND THE PANEL MONITOR, DO NOT SHOW ANY PROBLEM, AND THE SUV GOES UP...