- 2025–2027 Factory-verified
S on all trims
CWA Factory-verified
Also described as Rear Camera WasherRear camera mirror washer
Also documented for BuickCadillacChevrolet
Documented applications
- 2025–2026 Factory-verified
- 2025–2027 Factory-verified
S: Denali (from 2026); O: Elevation, AT4 (from 2026); requires DRZ (the 2025 guide says included in, and only available with, DRZ)
- 2022–2023, 2025–2027 Factory-verified
2027: S on all trims
- 2022–2023, 2025–2027 Factory-verified
2027: S on all trims
This page aggregates every documented appearance of CWA in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.