Audi A4 Owners & Service Manuals

Audi A4: Checking and Filling

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 Fuel

Types of gasoline The correct gasoline grade is stated on the inside of the fuel filler door. The vehicle is equipped with a catalytic converter and must only be driven with unleaded gasoline. Audi r

 Refueling

Messages The following messages may appear depending on the vehicle equipment: Messages If the indicator light appears with a corresponding message, refuel the vehicle. Tank system: malfunction! P

 Emissions control system

General information WARNING The temperature of the exhaust system is high, both when driving and after stopping the engine. Never touch the exhaust tail pipes once they have become hot. This could

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 Camera-based traffic sign recognition

Description Applies to: vehicles with camera-based traffic sign recognition Fig. 104 Instrument cluster: traffic sign recognition The traffic sign recognition shows the traffic signs detected by the front camera in the instrument cluster display and in the head-up display*. Data from the navigat

 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. - Individuals with electronic/medical life- and health sustaining machines in or on their person canno

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