- 2013 Confirmed
LS; listed as deleted for 2014 (GM Authority 2014 RPO changes, which it calls GM's official change list), though the 2014 fleet guide still prints it as a fleet-only accessory
- 2014, 2016 Factory-verified
LS: O; fleet order types only (2016: fleet or government); dealer-installed
RXZ Factory-verified
Documented applications
This page aggregates every documented appearance of RXZ in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.