- 2018 Factory-verified
LT, Premier: S; steering-wheel-mounted controls; the 2016 and 2017 guides print the same item with no code; GM's 2018 order guide
K33 Factory-verified
Documented applications
This page aggregates every documented appearance of K33 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.