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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New tires or wheels
Audi recommends having all work
on tires or wheels performed by
an authorized Audi dealer or authorized
Audi Service Facility.
These facilities have the proper
knowledge and are equipped with
the required tools and replacement
parts.
New tires do not yet have the
optimal gripping properties.
Dr
Speed warning system
Description
Applies to: vehicles with speed warning system
The speed warning system helps the driver to
stay below a specified maximum speed. A warning
threshold can be set in the MMI for this purpose.
Once the speed slightly exceeds the stored
threshold, the speed warning system will alert
the d
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