Audi A4 Owners & Service Manuals

Audi A4: Battery, Starter, Generator, Cruise Control

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 Battery

Battery General Information To guarantee a long service life, the Battery -A- must be checked, serviced and maintained as described in this manual. The Battery -A- supplies the power to start the eng

 Test Sequence

Battery, Checking, Vehicles with Battery Monitoring Control Module J367 or Energy Management Control Module J644 and Data Bus On Board Diagnostic Interface J533 In certain model series the followi

 Visual Inspection

  WARNING Risk of injury. Follow all warning messages and safety precautions. Refer to → Chapter "Warnings and Safety Precautions". Before any extensive measurements are taken, visuall

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 Exterior lighting

Switching the lights on and off Fig. 42 Instrument panel: light switch with button Light switch Turn the light switch (1) to the corresponding position when the ignition is switched on. The symbol and the selected position will turn on (except position 0). O - The daytime running lights* will

 Vehicles with Restrictor, Receiver/Dryer and A/C Compressor Regulator Valve -N280-, Checking Pressures, Externally Regulated Compressor

General Information   Note Connect the Air Conditioning (A/C) service station. Refer to → Chapter "A/C Service Station, Connecting". Observe the test requirements. Refer to → Chapter "Pressures, Checking". If a malfunction occurs at only one evaporator in vehicles with two

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