Buick Envision 2022 — technical service bulletin
Bulletin PIE0724A · NHTSA communication 10227796 · issued Dec 1, 2022
Technical service bulletin
communication type
Electrical System
component
2022
model years
3
vehicle entries
Official summary
This engineering information (EI) closure ends the need for gathering further information from technicians in regards to the radio staying on after retained accessory power (RAP), low and/or having a dead battery.
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.