- 2016–2019 Factory-verified
premium paint; not on 1SV; touch-up paint WA-105V; GM Authority's 2020 changes page lists it as dropped for 2020
GWX Factory-verified
Also documented for CadillacChevroletGMC
Documented applications
This page aggregates every documented appearance of GWX in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.