Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> AIR CONDITIONING [R134a SERVICING] (GENERAL INFORMATION) (CABRIOLET) >> 87 Air Conditioning >> A/C System, General Information >> General Safety Precautions