- 2014, 2018–2019 Factory-verified
2014: Leather, Premium: S; 2018: Essence, Premium: S; 2019: Essence: S
AQ5 Factory-verified
Also documented for CadillacChevroletPontiac
Documented applications
This page aggregates every documented appearance of AQ5 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.