Cadillac Deville 1997 — technical service bulletin
Bulletin 831097 · NHTSA communication 609633 · issued Aug 1, 1998
Technical service bulletin
communication type
Seats
component
1997
model years
3
vehicle entries
Official summary
Heated seats do not become warm enough. Yd
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.