Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit

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 A/C System Repair Information

Air conditioning systems designed for refrigerant R12 are only to be filled with refrigerant R134a if certain requirements are fulfilled. Refer to → Chapter "Refrigerant Circuit, Convertin

 Using Service Station

 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

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 Interior Door Mechanism, Removing and Installing

Removing - Remove the door trim panel. Refer to → Chapter "Front Door Trim Panel, Removing and Installing". - Place the door trim panel on a soft surface. - Equipped on some models: Remove the door ambient lighting lamps -3- on the back of the door trim panel by releasing the

 Voice recognition system

General information Applies to: vehicles with voice recognition system You can operate many functions in the vehicle easily using voice commands. Using the voice recognition system optimally Speak clearly and distinctly at a normal volume. Speak louder when driving faster. Emphasize the words in

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