{"nhtsa_id":10037633,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-01","date":"2010-12-01","document_id":"TSB-088","mfr_campaign":null,"replaces":null,"component":"VEHICLE SPEED CONTROL:SPRINGS; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL","mfr_system":null,"summary":"KIA: THERE COULD BE A NOISE OPERATION AND UNSATISFACTORY PEDAL FEEL WHICH IS CAUSED BY THE RETURN SPRING IN THE ACCELERATOR PEDAL. 2011 OPTIMA. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10037633","components":[{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_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":[]}