- 2018–2019, 2021 Factory-verified
2019: Preferred, Essence, Premium: S; 2021 from GM Authority's 2022 changes page, which drops it for 2022; 2019: GM Authority wheel page
RQK Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of RQK in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.