Cadillac Lyriq 2024 — technical service bulletin
Bulletin 653.40 · NHTSA communication 11024636 · issued Oct 7, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2024
model years
1
vehicle entries
Official summary
•Improvements to accuracy of Park Assist messaging. •Fixes to improve performance of driver assistance systems and rear view camera. •Improvements to responsiveness of rear view camera. •Fixes to address Super Cruise disengaging erroneously. 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.