Audi A4 Owners & Service Manuals

Audi A4: Laws and Regulations

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 General Information

  Note The laws and regulations listed below are applicable in Germany. Different or additional laws and regulations may apply in other countries. The effects of climate change can be seen wor

 Laws and Regulations

Refrigerant Circuit, Converting R12 to R134a and Servicing   Note For environmental reasons and on account of the corresponding legislation, refrigerant R12 can no longer be manufactured or

 Refrigerant Circuit

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 Other information

Online Car Care Applies to: vehicles with Online Car Care If new messages from Online Car Care are available, they will be displayed in the MMI when you switch on the ignition. Applies to: MMI: To access Online Car Care messages at a later time, select on the home screen: VEHICLE > Settings &

 Refrigerant Circuit

Refrigerant Circuit with Expansion Valve and Evaporator The following illustration shows only the principle of a refrigerant circuit, the design of the refrigerant circuit in the respective vehicle can be found in the vehicle-specific repair manual. Refer to → Heating, Ventilation and Air

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