Buick Century 2003 — technical service bulletin
Bulletin 021203 · NHTSA communication 10002547 · issued Feb 12, 2003
Technical service bulletin
communication type
Structure
component
2003
model years
2
vehicle entries
Official summary
Sagging or warped headliner appearance behind the sunroof module is a normal condition. *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.