Cadillac Lyriq 2023–2024 — technical service bulletin
Bulletin N232422480 · NHTSA communication 10251884 · issued Mar 18, 2024
Technical service bulletin
communication type
Exterior Lighting
component
2023–2024
model years
2
vehicle entries
Official summary
Service Update: Certain vehicles may have a condition in which the headlampsâ aim may drift high or low during a drive compared to the initial aim at key-on. Dealers are to reprogram the Headlamp Control Module.
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.