Home >> Audi >> 2001 >> allroad Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> On Board Diagnostic (OBD) - Radio, Navigation, Steering & Telematics >> Navigation system IV (BNS 4.0) from m.y. 2002, On Board Diagnostic (OBD) >> Read Measuring Value Block (function 08) >> Display group 004