Download Autel MaxiSys Advanced Driver Assistance System Calibration Brochure Active MaxiSys Updates Required. If you already have the MaxiSys Tablet, but you don’t havethe Advanced Driver Assistance System (ADAS) application then you would need to buy thisSoftware Application Upgrade to start Calibrating Camera, Radar, Lidar andNight Vision based systems. ADAS programming for anyonewho already owns a MS908 or MSElite series scan tool.