Audi A4: Body
- Body Exterior
- General, Technical data
- Body Front
- Hood, Lids
- Front Doors, Central Locking System
- Rear Doors
- Sunroof
- Bumpers
- Glass, Window Regulators
- Exterior Equipment
- Body Interior
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General, Technical data
Safety Precautions
Safety Precautions when Working on Vehicles with Start/Stop System
There is a risk of injury due to the engine starting
unexpectedly.
The engine can start unexpectedly on vehicles
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Overview - Telephone
Overview - Telephone, Bluetooth Hands-Free
Calling, 9ZX
The Information Electronics Control Module 1 -J794- is
installed with the Microphone Unit In Front Roof Module -R164-
and is exclusively for hands-free calling. The connection to the
Cellular Telephone -R54- takes place via Bluetooth.
The B
Refrigerant Circuit
Refrigerant Circuit with Expansion Valve and Evaporator
The following illustration shows only the principle of a
refrigerant circuit, the design of the refrigerant circuit in
the respective vehicle can be found in the vehicle-specific
repair manual. Refer to
→ Heating, Ventilation and Air
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