Audi A4 Owners & Service Manuals

Audi A4: Electrical System

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 Communication

 Infotainment System

 Overview - Infotainment System

Overview - Infotainment System, MMI Radio Plus, 18E Information Electronics Control Module 1 -J794- with integrated CD player/SD card reader in the glove compartment Multimedia System Control Head

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 Transmission, Disassembling and Assembling

  WARNING The system is under pressure. The electronic ATF pump must be deactivated every time before opening the transmission, and the hydraulic pressure reservoir is drained. Refer to → Chapter "ATF Pump, Deactivating and Draining the Hydraulic Pump Reservoir". FWD Vehicles S

 General information

There may be different media sources and connections available depending on the vehicle equipment. For example, you can play media files using a connected USB drive or connect your mobile devices to the Audi music interface and operate them through the MMI. Media and format restrictions: the MMI (in

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