Lincoln Navigator 2003–2005 — technical service bulletin
Bulletin 0749 · NHTSA communication 10021459 · issued Apr 27, 2007
Technical service bulletin
communication type
Exterior Lighting
component
2003–2005
model years
3
vehicle entries
Official summary
High intensity discharge (hid) headlamps. *kb
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.