AEF Factory-verified

Buick · Regular Production Option

Window, power, front passenger express up and down

Years 2012, 2015–16, 2018–19, 2025–27 Models 6 Factory citations 11

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Also described as Window, powerWindow, power, front passenger express up/down

Also documented for Cadillac Chevrolet GMC

Documented applications

Envision — E2XX (2021–2027)

2025–2027 Factory-verified

2027: all trims: S

GM factory document — 2025 buick envision fleet order guide rpo codes, p.1.
GM factory document — 2027 buick envision fleet order guide rpo codes, p.1.
GM factory document — 2027 buick envision fleet order guide, p.6.

LaCrosse — E2XX, 3rd gen (2017–2019)

2018–2019 Factory-verified

2019: all trims: S

GM factory document — 2018 buick lacrosse order guide copy gm authority, p.4.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.5.

LaCrosse — Epsilon II, 2nd gen (2010–2016)

2015 Factory-verified

2015: all groups: S

GM factory document — 2015 buick lacrosse fleet order guide wayback, p.2.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

2019: all trims: S (2019 Sportback order guide); the 2019 guide adds front passenger express up and down

GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1.
GM factory document — 2018 buick regal tourx fleet order guide wayback, p.1.
GM factory document — 2019 buick regal sportback order guide copy gm authority, p.5.

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

2016 Factory-verified

2016: all groups: S

GM factory document — 2016 buick regal order guide copy gm authority, p.4, p.19.

Verano — Delta II (2012–2017)

2012 Factory-verified

2012: 1SL: S (GM 2012 ordering guide); the 2016 guide prints the item for 1SL and 1ST with no code

GM factory document — 2012 buick verano online ordering guide copy gm authority, p.3.

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