- 2020, 2022–2027 Factory-verified
3LT, 3LZ; requires R6X; requires N26 or N2Z; 2022–2027: requires 38S; GT2 seats require TU7
HXO Factory-verified
Documented applications
This page aggregates every documented appearance of HXO in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.