Audi A4 Owners & Service Manuals

Audi A4: Wiring

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 Vehicle Diagnosis, Testing and Information Systems

  WARNING During road tests using a vehicle diagnostic and information system, there is the hazard of extreme to lethal injuries! If vehicle diagnostic and information system is deposited

 Wiring Harness and Connector Repairs

Vehicle Electrical System, General Repair Information   Caution When disconnecting and connecting battery, the procedure must be followed as described in the Repair Manual.   WARNING S

 Wiring Harness Repair Set

Wiring Harness Repair Set -VAS1978- The Wiring Harness Repair Set -VAS1978- makes optimal repair quality possible in the realm of vehicle electronics. Using the tools, repairs affecting harness conn

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 Audi active lane assist/lane departure warning

General information Applies to: vehicles with Audi active lane assist The Audi active lane assist/lane departure warning (called only Audi active lane assist in the vehicle displays and in the information that follows in this Owner's Manual) can detect lane marker lines within the limits of the syst

 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 engine. The Battery -A- also acts as a power reserve for the entire vehicle electrical system.  

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