Buick Enclave 2026 — technical service bulletin
Bulletin 654.20 · NHTSA communication 11028082 · issued Jan 30, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2026
model years
3
vehicle entries
Official summary
• Fixes to keep selected settings for Super Cruise. • Improvements to the performance of Brake Assist. • Fixes to help ensure proper Super Cruise lane change functionality.
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.