{"nhtsa_id":10187948,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-03","date":"2021-02-26","document_id":"SSM 49625","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Some 2021 Mustang Mach-E/F-150/Edge/Nautilus vehicles may require a reboot of the SYNC 4 system. For vehicles equipped with a volume/power and right seek button, press and hold both the volume/power and right seek button for 10 seconds and the system will reboot. For vehicles not equipped with a volume/power button, holding the seek right and volume down buttons on the steering wheel controls will reboot the SYNC 4 system. The Workshop Manual (WSM) is in the process of being updated with this procedure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187948-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187948-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187948","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EDGE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_ford_edge"]},{"make":"FORD","model":"F-150","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_ford_f-150"]},{"make":"LINCOLN","model":"NAUTILUS","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_lincoln_nautilus"]}],"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":[]}