Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SB-10-08-50-003B
Service Bulletin/Repair Instructions
GENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES REGARDING THE ADJUSTABLE COMFORT AND CUSTOM UPHOLSTERY OF THE DRIVER AND THE PASSENGER HEAD RESTRAINT. *PE
01T44
Service Bulletin/Repair Instructions
SUBJECT REGARDING SEAT BELT LATCH FALLS TO THE FLOOR OR IS DIFFICULT TO RETRIEVE WHEN PUTTING ON SEAT BELT. *JG
94T25F
Service Bulletin/Repair Instructions
ON SOME 1991 - 2000 SEDANS, WAGONS AND COUPES, A WHISTLE TYPE NOISE IS HEARD AT HIGHWAY SPEEDS. *TT