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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 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

 General Information

Vehicles with a High Voltage System (Hybrid Vehicles) Extremely Dangerous Due to High-Voltage The high-voltage system is under high-voltage. Death or serious bodily injury by electric shock. - Individuals with electronic/medical life- and health sustaining machines in or on their person canno

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