RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
Relay Box: Service Precautions
Relay and Fuse Panels
CAUTION!
Before beginning repairs on the electrical system:
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Where applicable, obtain anti-theft radio security code.
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Switch off all electrical consumers.
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Switch the ignition off and remove ignition key.
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Disconnect negative ( - ) battery terminal.
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On vehicles equipped with Audi Telematics by OnStar(R), switch-off the emergency (back-up) battery for the Telematic/Telephone
Control Module prior to disconnecting vehicle battery.
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After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows
according to Repair Information and/or Owner's Manual.
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After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar(R), switch-on the emergency (back-up)
battery for the Telematic/Telephone Control Module