RWU Factory-verified

Buick · Regular Production Option

LPO, cargo area organizer, collapsible

Years 2016–19, 2022–23, 2025 Models 9 Factory citations 16

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Also described as LPO, Cargo area organizer, collapsible

Also documented for Cadillac Chevrolet GMC

Documented applications

Enclave — C1XX (2018–2024)

2022–2023 Factory-verified

all trims: O; dealer-installed

GM factory document — 2022 buick enclave order guide copy nhtsa docket, p.11, p.21.
GM factory document — 2023 buick enclave order guide copy autoevolution wayback, p.10, p.20.

Enclave — VSS-S (2025–2027)

2025 Factory-verified

O on all trims

GM factory document — 2025 buick all new enclave fleet order guide, p.10.

Encore GX — VSS-F (2020–2027)

2025 Factory-verified

GM factory document — 2025 buick encore gx fleet order guide, p.11.

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

2019 Factory-verified

1SD, 1SL, 1SN, 1SP: O, dealer-installed; added to the guide April 9, 2018

GM factory document — 2019 buick envision order guide copy gm authority, p.15.

Envision — E2XX (2021–2027)

2025 Factory-verified

2025: all trims: O

GM factory document — 2025 buick envision fleet order guide rpo codes, p.1.
GM factory document — 2025 buick envision fleet order guide, p.9.

Envista — VSS-F (2024–2027)

2025 Factory-verified

all trims: O

GM factory document — 2025 buick envista fleet order guide rpo codes, p.1.
GM factory document — 2025 buick envista fleet order guide, p.8.

LaCrosse — E2XX, 3rd gen (2017–2019)

2017–2019 Factory-verified

2019: Preferred, Sport Touring, Essence, Premium, Avenir: O

GM factory document — 2017 buick lacrosse fleet order guide wayback, p.2.
GM factory document — 2018 buick lacrosse order guide copy gm authority, p.8.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.12.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

2019: Preferred, Preferred II, Essence, Avenir, GS: O (2019 Sportback order guide); the 2019 guide adds universal

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.13.

Verano — Delta II (2012–2017)

2016 Factory-verified

2016: 1SD, 1SG, 1SH, 1SL, 1ST: O (dealer-installed); not with 5KZ, VLI or PDH

GM factory document — 2016 buick verano fleet order guide wayback, p.2.

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