- 2018–2019 Factory-verified
only in: ATS-V; V carbon fiber trim; 2019 from GM Authority's 2019 ATS-V interior colors page
HH0 Factory-verified
Documented applications
This page aggregates every documented appearance of HH0 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.