{"nhtsa_id":11016122,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2025-04-01","date":"2025-04-01","document_id":"N25-249646","mfr_campaign":"N25-249646","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"VCU: Vehicle Communication Unit","summary":"Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: • Enables Dolby Atmos advanced surround sound technology to provide optimal, immersive audio experience. • Introduces Atmos object-based audio to allow sound to be placed throughout the vehicle. • Utilizes height channels to allow sound to move in a three-dimensional space with Atmos. • Active OnStar Services plan or data plan required. • Amazon Music Unlimited and Tidal currently available for use with Atmos. • Compatible streaming services that default to the highest quality track supported will utilize Atmos. • Atmos content in .mp4 format can be played from USB storage devices. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016122-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016122-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016122","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"OPTIQ","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_cadillac_optiq"]}],"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":[]}