- 2018, 2022–2023 Factory-verified
2018: Base, Essence: S; 2022–2023: Essence: S
DM8 Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of DM8 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.