- 2022–2023, 2026 Factory-verified
2026: O on all trims
S4W Factory-verified
Also documented for CadillacGMC
Documented applications
- 2022–2023, 2026 Factory-verified
2026: retail guides: O on all trims
This page aggregates every documented appearance of S4W in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.