Cadillac CT4 2021 — technical service bulletin
Bulletin N23-239659 · NHTSA communication 10236375 · issued May 19, 2023
Technical service bulletin
communication type
Back Over Prevention
component
2021
model years
2
vehicle entries
Official summary
Your Cadillac keeps getting better. A vehicle software update is ready for you to install which includes the following if your vehicle is equipped:â  Refinements: Improvements made to Automatic Lane Change feature within Super Cruise. Software improvements to the Super Cruise driver assistance technology. A variety of software improvements to make your in-vehicle experience better. Better Never Stops. â Â
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.