Audi A4: Laws and Regulations

 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

 New tires or wheels

Audi recommends having all work on tires or wheels performed by an authorized Audi dealer or authorized Audi Service Facility. These facilities have the proper knowledge and are equipped with the required tools and replacement parts. New tires do not yet have the optimal gripping properties. Dr