- 2014, 2017 Factory-verified
replaces ACC for 2014 (GM's 2014 changes); standard for 2017 with vinyl floor covering and polypropylene rear door trim (GM's 2017 changes and the 2017 order guide)
HCQ Factory-verified
Documented applications
This page aggregates every documented appearance of HCQ in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.