- 2023–2024 Factory-verified
RZW Factory-verified
Also documented for BuickChevrolet
Documented applications
- 2015–2018, 2022–2026 Factory-verified
GM's list calls it an accessory
This page aggregates every documented appearance of RZW in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.