Cadillac Lyriq 2024–2026 — technical service bulletin
Bulletin 654.10 · NHTSA communication 11024645 · issued Oct 29, 2025
Technical service bulletin
communication type
Unknown / Other
component
2024–2026
model years
3
vehicle entries
Official summary
Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features. 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.
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.