LPO, package, 19 inch wheels

Years 2012–13, 2016–18 Models 2 Factory citations 3

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Also described as LPO, wheels, 19 inch, ultra-bright machine-faced, Midnight Silver painted pockets

Documented applications

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

2016–2018 Factory-verified

2018: 1SN, 1SP: O; 1SD, 1SL: O on all-wheel-drive models only; dealer-installed

GM factory document — 2016 buick envision order guide copy gm authority, p.15.
GM factory document — 2017 buick envision order guide copy gm authority, p.19.
GM factory document — 2018 buick envision order guide copy gm authority, p.18.

Regal — Epsilon II, 5th gen (2011–2017)

2013 Confirmed

deleted for 2014 (GM's 2014 list)
2012 Single-source

no longer available on the 4GR69 models for 2013 (GM Authority 2013 changes); single-source: GM Authority 2013 changes does not credit GM

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