{"nhtsa_id":601776,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-08-24","date":"1998-03-24","document_id":"9810009","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:TURN SIGNAL","mfr_system":null,"summary":"INFORMATION ON LEFT TURN SIGNAL INOPERATIVE. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/601776","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"turn-signal","name":"Turn signals","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"CENTURY","year_from":1997,"year_to":1998,"match":"exact","vehicle_ids":["1997_buick_century","1998_buick_century"]},{"make":"BUICK","model":"REGAL","year_from":1997,"year_to":1998,"match":"exact","vehicle_ids":["1997_buick_regal","1998_buick_regal"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}