{"nhtsa_id":10056835,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-02-25","date":"2014-12-01","document_id":"PIP4910D","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"CADILLAC: WHEN SERVICING ANY OF THE COOLING SYSTEMS ON THE CADILLAC, CHEVROLET &OPEL AMPERA VEHICLES IT IS IMPORTANT TO USE THE PROPER COOLANT AND WATER MIXTURE. *LJ UPDATED 2/25/15. *LJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10056835","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CTS","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_cadillac_cts"]},{"make":"CHEVROLET","model":"VOLT","year_from":2011,"year_to":2015,"match":"exact","vehicle_ids":["2011_chevrolet_volt","2012_chevrolet_volt","2013_chevrolet_volt","2014_chevrolet_volt","2015_chevrolet_volt"]},{"make":"OPEL","model":"AMPERA","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_opel_ampera","2013_opel_ampera"]}],"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":[]}