Visors, driver and front passenger, illuminated vanity mirrors, covered

Years 2012, 2014, 2016–19, 2025–26 Models 4 Factory citations 13

Also described as Visors, driver and front passenger illuminated vanity mirrors, coveredVisors, driver and front passenger, covered illuminated vanity mirrors

Also documented for Chevrolet

Documented applications

Cascada — Delta II (2016–2019)

2016–2019 Factory-verified

all trims: S

GM factory document — 2016 buick cascada order guide copy gm authority, p.3, p.7.
GM factory document — 2017 buick cascada order guide copy gm authority, p.3, p.12.
GM factory document — 2018 buick cascada order guide copy gm authority, p.3, p.12.
GM factory document — 2019 buick cascada order guide copy gm authority, p.3, p.12.

Encore — Gamma II (2013–2022)

2014, 2018–2019 Factory-verified

all trims: S

GM factory document — 2014 buick encore fleet order guide wayback, p.2.
GM factory document — 2018 buick encore order guide copy gm authority, p.4, p.19.
GM factory document — 2019 buick encore order guide copy gm authority, p.4, p.16.

Envista — VSS-F (2024–2027)

2025–2026 Factory-verified

all trims: S

GM factory document — 2025 buick envista fleet order guide rpo codes, p.1.
GM factory document — 2025 buick envista fleet order guide, p.4.
GM factory document — 2026 buick envista fleet order guide rpo codes, p.1.
GM factory document — 2026 buick envista fleet order guide, p.4.

Verano — Delta II (2012–2017)

2012, 2016 Factory-verified

2016: all trims: S; 2012: GM 2012 ordering guide, all trims: S

GM factory document — 2016 buick verano fleet order guide wayback, p.2.
GM factory document — 2012 buick verano online ordering guide copy gm authority, p.3.

This page aggregates every documented appearance of D6I in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.