- 2022–2023 Factory-verified
Essence: O; Premium, Avenir: S
CWA Factory-verified
Also described as Rear camera washerRear Camera Mirror Washer
Also documented for CadillacChevroletGMC
Documented applications
- 2025–2027 Factory-verified
S on all trims
- 2025–2027 Factory-verified
Avenir: O
- 2025–2027 Factory-verified
2027: Avenir: S
This page aggregates every documented appearance of CWA in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.