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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 TV Antenna Amplifier 1 -R82-, Removing and Installing, Sedan

The TV Antenna Amplifier 1 -R82- is located at the lower right of the D-pillar. Removing - Turn off the ignition and all electrical equipment and remove the ignition key. - Remove the D-pillar trim panel. Refer to → Body Interior; Rep. Gr.70; Vehicle Interior Trim Panels

 Hydraulic Pressure Sensor 1 -G545- and Hydraulic Pressure Sensor 2 -G546-, Removing and Installing

  Note The Mechatronic remains installed.   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

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