- 2017–2019 Factory-verified
2019 guide: SLE-2, SLT-1: O; SLT-2, Denali: S; with the 20 inch wheels
QNU Factory-verified
Also documented for CadillacChevrolet
Documented applications
This page aggregates every documented appearance of QNU in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.