LPO, wheels, 19 inch, bright aluminum, Midnight Silver painted pockets

Years 2019 Models 1 Factory citations 1

Documented applications

Envision — D2XX, imported from China (2016–2020)

2019 Factory-verified

1SN, 1SP: O, also in PCX; 1SD, 1SL: O on the all-wheel-drive model only; dealer-installed

GM factory document — 2019 buick envision order guide copy gm authority, p.20.

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