S4 V8-4.2L (BHF) (2004)
Information Bus: Description and Operation
Communication Systems, Layout
NOTE:
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Some systems and components are optional.
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Telematics system applicable to model years 2002 through 10.04 production only.
1. Satellite Radio R146
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Behind left luggage compartment trim
2. Radio, Telephone, Navigation System Antenna R52
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Roof antenna
3. GPS Antenna Splitter R110. Avant only
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Behind left luggage compartment trim
4. Navigation System Antenna R50 - Sedan only
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Behind rear headliner trim
5. Navigation System with CD Drive Control Module J401
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Behind left luggage compartment trim
6. Radio antennas
7. Antenna Selection Control Module J515/ Left Antenna Module R108
8. Speaker system
9. Radio R
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In upper center console
10. CAN-BUS (Infotainment)