{"nhtsa_id":616385,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-02-23","date":"2000-10-24","document_id":"00143","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:HEADLIGHTS","mfr_system":null,"summary":"SPECIAL POLICY ADJUSTMENT REGARDING THE DAYTIME RUNNING LAMPS ACTIVATION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/616385","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"headlight","name":"Headlights","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"BLAZER","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_chevrolet_blazer"]},{"make":"GMC","model":"SONOMA","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_gmc_sonoma"]}],"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":[]}