Chevrolet Corvette 2000–2004 — technical service bulletin
Bulletin 030842012 · NHTSA communication 10005586 · issued Nov 1, 2003
Technical service bulletin
communication type
Exterior Lighting
component
2000–2004
model years
5
vehicle entries
Official summary
Twilight sentinel/automatic headlamp control not functioning correctly or is inoperative. *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.