Buick Park Avenue 1997–2000 — technical service bulletin
Bulletin 990850018 · NHTSA communication 6088910 · issued Oct 1, 1999
Technical service bulletin
communication type
Seats
component
1997–2000
model years
4
vehicle entries
Official summary
Subject regarding front seat adjuster switch trim plate detaching from seat and / or seat chucks / rocks. *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.