RS package

Years 2017–19 Models 1 Factory citations 3

Documented applications

Sonic — first generation (2012–2020)

2017–2019 Factory-verified

5-door LT, Premier: S (not the 2018–2019 LT 1FL); Premier manual sedan: S; LT and Premier automatic sedans: O; includes sport body kit (BVG, sedan), T3U, B6E, D59 or T56 spoiler, E38, VWC, N35 and B54; Black Chevrolet emblems from 2019

GM factory document — 2017 chevrolet sonic order guide copy gm authority, p.64.
GM factory document — 2018 chevrolet sonic order guide copy gm authority, p.70.
GM factory document — 2019 chevrolet sonic order guide may 4 2018 copy gm authority, p.63.

This page aggregates every documented appearance of WFK in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.