- 2025–2026 Factory-verified
Preferred, Sport Touring: O; Avenir: S; only with Convenience I Package (ZL4) where optional
AVJ Factory-verified
Also documented for ChevroletGMC
Documented applications
This page aggregates every documented appearance of AVJ in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.