Audi A4: Laws and Regulations

 Vehicle Diagnosis, Testing and Information Systems

  WARNING During road tests using a vehicle diagnostic and information system, there is the hazard of extreme to lethal injuries! If vehicle diagnostic and information system is deposited in the action area of an airbag during a road test, here is the hazard of extreme to lethal injuri

 Refrigerant Circuit, Checking Pressure with Service Station

General Information   Note All test conditions marked * are vehicle-specific and are described in the Repair Manual for the relevant vehicle. Check cooling performance. Connections with valve and service connections for measurement and testing. Refer to → Heating, Ventilation and