{"nhtsa_id":10194304,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-24","date":"2021-04-01","document_id":"B540221","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:SUN/MOON ROOF ASSEMBLY; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"CHECK CONTROL MESSAGE \"ROOF NOT LOCKED\": A check control message is displayed stating \"Roof not locked\", although the roof is securely locked.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10194304-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10194304-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10194304","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"software","name":"Software","parent":"electrical"},{"id":"sunroof","name":"Sunroof","parent":"visibility"}],"codes":[],"topics":[],"vehicles":[{"make":"BMW","model":"Z4","year_from":2019,"year_to":2021,"match":"exact","vehicle_ids":["2019_bmw_z4","2020_bmw_z4","2021_bmw_z4"]}],"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":[]}