{"nhtsa_id":634287,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-28","date":"2002-09-01","document_id":"020844015","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT ON A BLANK ADVANCED VEHICLE NAVIGATION (AVN) SCREEN AND / OR AN INTERMITTENT DOOR CHIME THAT WILL NOT SHUT OFF. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634287","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"DEVILLE","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_cadillac_deville"]},{"make":"CADILLAC","model":"SEVILLE","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_cadillac_seville"]}],"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":[]}