Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit, Flushing with Compressed Air and Nitrogen

Audi A4 (B9) 2016-2025 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit / Refrigerant Circuit, Flushing with Compressed Air and Nitrogen

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 General Information

Vehicles with a High Voltage System (Hybrid Vehicles) Extremely Dangerous Due to High-Voltage The high-voltage system is under high-voltage. Death or serious bodily injury by electric shock. - I

 Refrigerant Circuit, Flushing

  Note In the case of vehicles on which the refrigerant lines have no threads for connection of Adapter Set -1785-. Use for example a flushing gun with rubber end piece or an adapter from th

 Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a

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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 &

 Digital compass

Switching the compass on and off Applies to: vehicles with digital compass Fig. 55 Rearview mirror: digital compass is switched on To turn the compass on or off, press the button (1) until the compass display in the mirror turns on or off. The digital compass only works when the ignition is tu

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