- 2022–2023 Factory-verified
all trims: O; 2022: forced on certain vehicles built from December 20, 2021; 2023: forced on certain vehicles from the start of production
00Z Factory-verified
Also documented for ChevroletGMC
Documented applications
This page aggregates every documented appearance of 00Z in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.