Audi A4: Electrical Equipment General Information
Audi A4 (B9) 2016-2026 Service Manual / Electrical System / Electrical Equipment General Information
- Battery, Starter, Generator, Cruise Control
- Windshield Wiper/Washer System
- Exterior Lights, Switches
- Interior Lights, Switches
- Wiring
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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 eng
Test Sequence
Battery, Checking, Vehicles with Battery Monitoring Control Module J367
or Energy Management Control Module J644 and Data Bus On Board Diagnostic
Interface J533
In certain model series the followi
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Playing media
Media sources
The following sources can be selected depending
on the vehicle equipment:
Alexa
USB device
Connect external device: you can connect external
devices via Bluetooth and use the Bluetooth
audio player, or you can connect
an external device directly to the Audi music
interface
Str
Sunroof Seals, Removing and Installing
Sunroof Seals, Removing and Installing, Sedan
Removing
- Remove the glass panel. Refer to
→ Chapter "Glass Panel, Removing and Installing, Sedan".
- Remove the seal -2- from the glass
panel -3-.
1 -
Roof
Installing
- Starting in the center, press the new seal on
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