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Service bulletin 990850021

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id6089947
Published by NHTSA2000-02-29
Manufacturer's number990850021
Manufacturer's date1999-12-01
NHTSA componentSEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

NHTSA's summary

A CONDITION WITH THE FRONT SEAT BACK AND / OR SEAT CUSHION HEAT ELEMENT IS NON-FUNCTIONING. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Seats

Vehicles listed
BUICK PARK AVENUE1997, 1998, 1999, 2000
BUICK RIVIERA1995, 1996, 1997, 1998, 1999
OLDSMOBILE AURORA1995, 1996, 1997, 1998, 1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20001082000-04-28. Seats And Restraints
20000542000-03-08. Seats And Restraints
19991611999-08-31. Seats And Restraints
97V0360001997-03-11. SEATS:MID/REAR ASSEMBLY
19970481997-03-10. Seats And Restraints

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SB-10-08-50-003B2012-02-06. Service bulletin. 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
731614A2000-04-05. Service bulletin. THE FRONT SEAT ADJUSTER SWITCH TRIM PLATE HAS BECOME DTACHED FROM THE SEAT AND/OR SEAT ROCKS. YD
9908500182000-01-11. Service bulletin. SUBJECT REGARDING FRONT SEAT ADJUSTER SWITCH TRIM PLATE DETACHING FROM SEAT AND / OR SEAT CHUCKS / ROCKS. *TT
98100101998-08-24. Service bulletin. INFORMATION ON MEMORY SEAT OPERATING INTERMITTENTLY. *YC