Buick Regal 2012–2013 — technical service bulletin
Bulletin PIC5648A · NHTSA communication 10156949 · issued Mar 25, 2019
Technical service bulletin
communication type
Equipment
component
2012–2013
model years
6
vehicle entries
Official summary
This PI was created to address normal operational Characteristics of a UEW nav radio when using TBT with the radio off.
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.