- 2019 Single-source
only in: ATS-V; only with the Pedestal Edition A7I; 2019 from GM Authority's 2019 ATS-V interior colors page
HY9 Single-source
Documented applications
This page aggregates every documented appearance of HY9 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.