{"nhtsa_id":631246,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-05-21","date":"2002-03-01","document_id":"0206123001","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT ABOUT THE ILLUMINATION OF THE CHECK COOLANT LEVEL DURING A COLD START AND/OR REDUCED HVAC PERFORMANCE. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/631246","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"DEVILLE","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_cadillac_deville","2002_cadillac_deville"]}],"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":[]}