Buick Enclave 2021 — technical service bulletin
Bulletin 22NA030 · NHTSA communication 10215757 · issued Feb 1, 2022
Technical service bulletin
communication type
Equipment
component
2021
model years
2
vehicle entries
Official summary
Engine Over Heating, Possible Oil/Coolant Leak, Malfunction Indicator Lamp.
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.