- 2025–2027 Factory-verified
only in: Sport Touring; GM Authority gives H7D for the 2026 Sport Touring; seat code AR9, front buckets (7-passenger seating)
H7D Factory-verified
Also documented for CadillacChevrolet
Documented applications
This page aggregates every documented appearance of H7D in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.