{"nhtsa_id":53458,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-12-15","date":"1997-03-01","document_id":"971003","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:WINDSHIELD","mfr_system":null,"summary":"A HEATED WINDSHIELD KIT HAS BEEN DESIGNED TO ACCELERATE WINDSHIELD DEFROSTING IN COLD AMBIENT TEMPERATURES. *AK","document":null,"url":"https://open.wenmarpro.com/bulletins/53458","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"windshield","name":"Windshield","parent":"visibility"}],"codes":[],"topics":[],"vehicles":[{"make":"AM GENERAL","model":"HUMMER","year_from":1993,"year_to":1997,"match":null,"vehicle_ids":[]}],"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":[]}