Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a

Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit / Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a

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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

 Flushing Circuit Block Diagrams

  Note The arrows in the following illustrations show the direction of refrigerant flow during flushing (refrigerant flows in opposite direction of flow when Air Conditioning (A/C) system is

 Electrically Driven A/C Compressor, Rinsing (Remove Refrigerant Oil)

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

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 Emergency call

Overview Applies to: vehicles with emergency call function An emergency call is a combination of data transmission and a phone call. The data transmission from your vehicle forwards important information, such as the vehicle and position data, to the emergency call center. Depending on the country

 When driving

Starting to drive, stopping, and parking Starting from a stop Press and hold the brake pedal. Start the engine. Select "D" or "R". Release the parking brake. Release the brake pedal. The vehicle may roll. Press the accelerator pedal to accelerate. Securing the vehicle against rolling Secure

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