Cadillac Vistiq 2026 — technical service bulletin
Bulletin 661.20 · NHTSA communication 11031774 · issued Apr 21, 2026
Technical service bulletin
communication type
Unknown / Other
component
2026
model years
1
vehicle entries
Official summary
• Improvements to Super Cruise disengagement alerts. • Improvements to the availability of Super Cruise. • Improvements to driver attention monitoring to help reduce unnecessary OnStar escalation calls. • Improvements to Super Cruise lane merging performance. • Improvements to the responsiveness of rear view camera display.
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.