Cadillac Ats 2015–2017 — technical service bulletin
Bulletin 17NA327 · NHTSA communication 10134610 · issued Oct 12, 2017
Technical service bulletin
communication type
Equipment
component
2015–2017
model years
15
vehicle entries
Official summary
This informational bulletin advised the technician of a possible OnStar module configuration concern that can be changed by pressing the blue button to On Star.
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.