Audi A4 Owners & Service Manuals

Audi A4: Starting and driving

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 Personalization

Users General information Applies to: vehicles with personalized user settings Depending on vehicle equipment and your country, your vehicle may be able to manage various users in the MMI. Each user w

 Opening and closing

 Central locking

General information WARNING If you leave the vehicle, switch the ignition off and take the key with you. This applies particularly when children remain in the vehicle. Otherwise, children could s

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 A/C Pressure/Temperature Sensor

There are different versions of this sensor with different functions and with different names. For exact name, allocation and notes doe the respective function, refer to → Heating, Ventilation and Air Conditioning; Rep. Gr.87; Refrigerant Circuit; System Overview - Refrigerant C

 Refrigerant Oil

General Information   Caution When handling refrigerant oil, pay attention to local regulations. Refrigerant oil mixes with the refrigerant (about 20-40%, depending on compressor type and amount of refrigerant) and circulates constantly in the system, lubricating the moving parts. Special

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