Armrest, rear seat, center

Years 2003–05, 2012, 2015, 2025–27 Models 5 Factory citations 12

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Also described as Armrest, rear centerArmrest, rear center, with 2 integral cup holders

Also documented for Cadillac Chevrolet GMC Saturn

Documented applications

Century — W-body (1997–2005)

2003–2005 Factory-verified

GM factory document — 2003 buick century rpo code list, p.1.
GM factory document — 2004 buick century rpo code list, p.1.
GM factory document — 2005 buick century rpo code list, p.1.

Encore GX — VSS-F (2020–2027)

2025–2027 Factory-verified

Preferred, Sport Touring: O; Avenir: S

GM factory document — 2025 buick encore gx fleet order guide, p.1.
GM factory document — 2026 buick encore gx fleet order guide, p.1.
GM factory document — 2027 buick encore gx fleet order guide, p.1.

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.1.

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

2012, 2015 Factory-verified

2015: all groups: S; 2012: no longer with a pass-through (GM Authority 2012 RPO list)

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

Regal — W-body (1997–2004)

2003–2004 Factory-verified

GM factory document — 2003 buick regal rpo code list, p.1.
GM factory document — 2004 buick regal rpo code list, p.1.

This page aggregates every documented appearance of DA5 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.