BMW X7 2019–2022 — technical service bulletin
Bulletin B520722 · NHTSA communication 10227554 · issued Oct 1, 2022
Technical service bulletin
communication type
Electrical System
component
2019–2022
model years
4
vehicle entries
Official summary
When turning off the vehicle, a Check Control Message (CCM) for "rear occupant alert, check rear seats" is displayed in the instrument cluster.
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.