Arm rest, rear seat, storage

Years 1998–04, 2012, 2016, 2025–26 Models 8 Factory citations 22

Also described as Armrest, rear seat, storageArmrest, center, rear with cupholdersArmrest, center, rear, with 2 cup holdersRear seat armrest, storageArmrest, rear center, articulating, with dual cup holders and storage

Also documented for Cadillac Chevrolet Oldsmobile Pontiac

Documented applications

Century — W-body (1997–2005)

1998–2002 Factory-verified

GM factory document — 1998 buick century rpo code list, p.1.
GM factory document — 1999 buick century rpo code list, p.1.
GM factory document — 2000 buick century rpo code list, p.1.
GM factory document — 2001 buick century rpo code list, p.1.
GM factory document — 2002 buick century rpo code list, p.1.

Envista — VSS-F (2024–2027)

2025–2026 Factory-verified

Avenir: S

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

LeSabre — H-body (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 buick lesabre rpo code list, p.1.
GM factory document — 1999 buick lesabre rpo code list, p.1.

Park Avenue — G-body (1997–2005)

1998–2004 Factory-verified

GM factory document — 1998 buick park avenue rpo code list, p.1.
GM factory document — 2004 buick park avenue rpo code list, p.1.

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.1, p.14.

Regal — W-body (1997–2004)

1998–2002 Factory-verified

GM factory document — 1998 buick regal rpo code list, p.1.
GM factory document — 1999 buick regal rpo code list, p.1.
GM factory document — 2000 buick regal rpo code list, p.1.
GM factory document — 2001 buick regal rpo code list, p.1.
GM factory document — 2002 buick regal rpo code list, p.1.

Skylark — N-body (1992–1998)

1998 Factory-verified

GM factory document — 1998 buick skylark rpo code list, p.1.

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.1.

This page aggregates every documented appearance of DA1 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.