Buick Century 1997–1998 — technical service bulletin
Bulletin 97022 · NHTSA communication 601424 · issued Nov 1, 1997
Technical service bulletin
communication type
Equipment
component
1997–1998
model years
4
vehicle entries
Official summary
Information on manual climate control mode selector. *yc
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.