AUDI: THERE ARE TWO SEPARATE CONDITIONS THAT BOTH OCCUR IN VEHICLES WITH BI-XENON, WITH OR WITHOUT ADAPTIVE LIGHTING (AFS): ONE XENON LIGHT ON EITHER SIDE SPORADICALLY FLICKERS OR FLASHES AND GOES OUT. WHEN HEADLAMPS ARE TURNED OFF AND ON AGAIN OR AT IGNITION CYCLE, THE HEADLAMPS MAY FUNCTION PROPERLY OR EXHIBIT THE SAME BEHAVIOR; ONE XENON LIGHT ON ONE SIDE FAILS PERMANENTLY. *PE