- 2019 Factory-verified
premium paint, new for 2019; not on 1SV; touch-up paint WA-500B; letter I in the code as GM prints it; GM Authority names Satin Steel Metallic for 2020 without the code
GIR Factory-verified
Documented applications
This page aggregates every documented appearance of GIR in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.