Memory, seat adjuster, mirror, power, driver, personalization

Years 1998–09, 2015–19, 2025–27 Models 11 Factory citations 27

Also described as Memory settings, recalls 2 driver presets for 8-way power driver seat and outside mirrorsMemory settings, driver seat and outside rearview mirror presetsMemory settingsMemory settings, 2 drivers, 8 way power driver and passenger seats, driver seat with easy exit and outside mirrorsMemory settings, 2 drivers, 8-way power driver and passenger seats, driver seat with easy exit and outside mirrorsMemory seat and outside mirrors (includes AL9, DR2/DR9)Memory, seat adjuster, mirror, power, driver personalizationMemory packageMemory, seat adjuster and power mirror, driver, with enhanced memory personalization

Also documented for Cadillac Chevrolet GMC Oldsmobile Pontiac Saturn

Documented applications

Enclave — Lambda / GMT967 (2008–2017)

2008–2009 Factory-verified

GM factory document — 2008 buick enclave rpo code list, p.1.
GM factory document — 2009 buick enclave rpo code list, p.1.

Encore GX — VSS-F (2020–2027)

2025–2027 Factory-verified

Avenir: S

GM factory document — 2025 buick encore gx fleet order guide, p.3.
GM factory document — 2026 buick encore gx fleet order guide, p.3.
GM factory document — 2027 buick encore gx fleet order guide, p.3.

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

2016–2019 Factory-verified

2019: 1SL, 1SN, 1SP: S; the 2016 and 2017 guides add driver personalization

GM factory document — 2016 buick envision order guide copy gm authority, p.2, p.12.
GM factory document — 2017 buick envision order guide copy gm authority, p.3, p.15.
GM factory document — 2018 buick envision order guide copy gm authority, p.3, p.15.
GM factory document — 2019 buick envision order guide copy gm authority, p.3, p.16.

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.3.

LaCrosse — E2XX, 3rd gen (2017–2019)

2017–2019 Factory-verified

2019: Sport Touring, Essence, Premium, Avenir: S; the 2019 guide leaves out the 8 way power seats

GM factory document — 2017 buick lacrosse fleet order guide wayback, p.2.
GM factory document — 2018 buick lacrosse order guide copy gm authority, p.2.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.3.

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

2015 Factory-verified

2015: 1SL, 1SP, 1SR: S

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

LeSabre — H-body (2000–2005)

2000–2005 Factory-verified

DR9 is listed for 2000 only.

GM factory document — 2000 buick lesabre rpo code list, p.1.
GM factory document — 2005 buick lesabre rpo code list, p.1.

Lucerne — G-body (2006–2011)

2006–2009 Factory-verified

GM factory document — 2006 buick lucerne rpo code list, p.1.
GM factory document — 2009 buick lucerne rpo code list, p.1.

Park Avenue — G-body (1997–2005)

2000–2005 Factory-verified

GM factory document — 2000 buick park avenue rpo code list, p.1.
GM factory document — 2005 buick park avenue rpo code list, p.1.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

2019: Avenir: S; Essence: O (2019 Sportback order guide)

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.9.

Riviera — G-body (1995–1999)

1998–1999 Factory-verified

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

This page aggregates every documented appearance of A45 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.