Buick Regal 2018–2020 — technical service bulletin
Bulletin 19NA249 · NHTSA communication 10178958 · issued Jul 30, 2020
Technical service bulletin
communication type
Electrical System
component
2018–2020
model years
10
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of Radio Favorites Grayed Out or Unavailable at Times.
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.