Audi A4: Controls, Housing

 Refrigerant Circuit Pressures Specified Values, Vehicles with Heat Pump

  Note On vehicles with a high-voltage system and heat pump (for example on the Audi Q7 e-tron) installed in the refrigerant circuit and electrically activated vehicles which regulate the flow of the refrigerant in the refrigerant circuit depending on the current operating condition. The

 Windshield washer system

Fig. 163 Motor compartment: washer fluid reservoir cap The windshield washer reservoir contains the cleaning solution for the windshield/rear window* and the headlight washer system. The reservoir capacity can be found. To reduce the risk of lime scale deposits on the spray nozzles, use clean wat