RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
Center Mounted Brake Lamp: Service Precautions
High-mount Brake Light, Servicing
CAUTION:
Before beginning repairs on the electrical system:
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Obtain the anti-theft radio security code.
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Switch the ignition off.
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Disconnect the battery Ground (GND) strap.
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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 Owner's Manual.
NOTE: Steps after reconnecting voltage supply.