- 1999–2000 Factory-verified
QHM Factory-verified
Also described as Tires, 265/50R20, all-season, self-sealing
Also documented for ChevroletGMC
Documented applications
- 2023, 2025–2026 Factory-verified
only in: Luxury (1SC), Premium Luxury (1SD), Sport (1SF), Premium Sport (1SJ) (S)
This page aggregates every documented appearance of QHM in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.