Buick Century 2003 — technical service bulletin
Bulletin 01684 · NHTSA communication 10006413 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
1
vehicle entries
Official summary
Change oil soon indicator light comes on too soon. Sit bulletin 1442093. *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.