Audi A4 2004–2005 — technical service bulletin
Bulletin 0501 · NHTSA communication 10018223 · issued Nov 16, 2005
Technical service bulletin
communication type
Electrical System
component
2004–2005
model years
4
vehicle entries
Official summary
Light sensor warning light on intermittently and customer concern about automatic headlight instrument cluster warning light illuminating for 1 second accompanied with a short beep. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.