{"nhtsa_id":10182072,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-05","date":"2020-10-29","document_id":"21A4S4TECHREP","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Driver Assistance Section: ADDED: \"Activate rear cross traffic assist (if equipped)\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182072-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182072-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10182072","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_audi_a4"]},{"make":"AUDI","model":"S4","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_audi_s4"]}],"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":[]}