{"nhtsa_id":11031819,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-05-01","date":"2026-04-16","document_id":"661.10","mfr_campaign":"661.10","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"AMP, AOS, HUD: AMP (Amplifier), AOS (Automatic Occupant Sensing Module), HUD (Heads Up Display)","summary":"• The head-up display will now be less likely to experience any loss of image. • Fixes to help ensure successful vehicle software updates. • Improvements to the performance of electric vehicle sound enhancement. • Fixes to help prevent loss of functionality for Dolby Atmos. • Fixes to ensure proper audio options display in menu.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031819-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031819-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11031819","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"LYRIQ","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_cadillac_lyriq"]}],"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":[]}