Cadillac XT4 2019–2023 — technical service bulletin
Bulletin 21-NA-151 · NHTSA communication 10234145 · issued Mar 20, 2023
Technical service bulletin
communication type
Structure
component
2019–2023
model years
5
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of seeing front headlamp protective tape peeling.
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.