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Home >> Audi >> 2002 >> S4 Quattro, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Electrical Equipment >> 94 Lights, Switches - Exterior >> Headlights, servicing - Halogen headlights >> Headlights, servicing - Halogen headlights

Headlights, servicing - Halogen headlights

CAUTION:

Before beginning repairs on the electrical system:

  • Obtain the anti-theft radio security code.
  • Switch the ignition off.
  • Disconnect the battery Ground (GND) strap.
  • 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.
NOTE: Steps after reconnecting voltage supply. Refer to Battery, disconnecting and connecting .