Audi A4 Owners & Service Manuals

Audi A4: Opening and closing

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 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

 Setting the central locking system

You can adjust the central locking system to your preferences. The settings depend on the vehicle equipment. Applies to MMI: Select on the home screen: VEHICLE > Settings & Service > Cent

 Keys

Key set Fig. 26 Your vehicle key set Vehicle key You can unlock and lock your vehicle with the vehicle key. Mechanical key and release buttons for the mechanical key A mechanical key is integr

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 Refrigerant Circuit, Tracing Leaks Using Electronic Leak Detector

Vehicles with a High Voltage System (Hybrid Vehicles) Read and follow all of the supplemental warnings for all work performed on vehicles with the high voltage system. Refer to → Chapter "Warnings when Working on Vehicles with High Voltage System" and → Electrical Equipment; 

 Refresh Charging with Battery Charger -VAS5903-

  WARNING Risk of injury. Follow all warning messages and safety precautions. Refer to → Chapter "Warnings and Safety Precautions".   WARNING Do not check or charge a Battery -A- when the visual indicator has "no color or is bright yellow". Jump starting must not be used! Th

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