Toyota Corolla 2003 — technical service bulletin
Bulletin 00303 · NHTSA communication 10001362 · issued Mar 13, 2003
Technical service bulletin
communication type
Exterior Lighting
component
2003
model years
2
vehicle entries
Official summary
Headlights on with switch in off position. *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.