{"nhtsa_id":10090177,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-02-02","date":"2014-12-11","document_id":"TSBCHA049","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES","mfr_system":null,"summary":"TSB: NOISE DURING BRAKE ACTUATION - THIS BULLETIN PROVIDES INFORMATION TO ADDRESS A BRAKE NOISE CONCERN ON SOME OPTIMA HYBRID (TF HEV) VEHICLES, PRODUCED FROM FEBRUARY 15, 2011 THROUGH DECEMBER 8, 2013, WHICH MAY EXHIBIT A “SQUEAKING” AND/OR “HONKING” NOISE WHEN APPLYING THE BRAKES RAPIDLY. LISTEN TO THE SOUND FILE BELOW TO BECOME FAMILIAR WITH THE PARTICULAR BRAKE NOISE AND, IF CONFIRMED, FOLLOW THE PROCEDURE OUTLINED IN THIS BULLETIN TO RESOLVE THE CONCERN.","document":null,"url":"https://open.wenmarpro.com/bulletins/10090177","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA HYBRID","year_from":2011,"year_to":2013,"match":"base","vehicle_ids":["2011_kia_optima","2012_kia_optima","2013_kia_optima"]}],"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":[]}