- 2022–2023 Factory-verified
all trims: O; included with V92
PZ8 Factory-verified
Also described as Hitch guidance with hitch view
Also documented for CadillacChevroletGMC
Documented applications
- 2025–2027 Factory-verified
2025: O on all trims; 2026–2027: S on all trims
This page aggregates every documented appearance of PZ8 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.