Cadillac Lyriq 2026 — technical service bulletin
Bulletin PIC6639B · NHTSA communication 11032961 · issued May 22, 2026
Technical service bulletin
communication type
Unknown / Other
component
2026
model years
2
vehicle entries
Official summary
This PI details a possible issue with the heads up display being inop, due to a possible software anomaly.
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.