SiriusXM, additional 33 months of the SXM Platinum Plan

Years 2016–19, 2022–23, 2025 Models 10 Factory citations 20

Also described as SiriusXM All Access, 33 months added, fleetSiriusXM, 33 months added, fleetSiriusXM Satellite Radio, additional 33 months of the All Access packageSiriusXM Satellite Radio, additional 33 months of the SiriusXM All Access PackageSiriusXM satellite radio, All Access package, additional 33 months

Also documented for Cadillac Chevrolet GMC

Documented applications

Cascada — Delta II (2016–2019)

2017–2019 Factory-verified

1SP, 1SH: O; requires U2K and a fleet or government order type

GM factory document — 2017 buick cascada order guide copy gm authority, p.19.
GM factory document — 2018 buick cascada order guide copy gm authority, p.20.
GM factory document — 2019 buick cascada order guide copy gm authority, p.21.

Enclave — C1XX (2018–2024)

2018, 2022–2023 Factory-verified

all trims: O; fleet orders; All Access in 2018 (GM order guide via GM Authority), Platinum Plan in 2022–2023

GM factory document — 2018 buick enclave order guide copy gm authority, p.31, p.37.
GM factory document — 2022 buick enclave order guide copy nhtsa docket, p.42.
GM factory document — 2023 buick enclave order guide copy autoevolution wayback, p.40.

Enclave — VSS-S (2025–2027)

2025 Factory-verified

O on all trims

GM factory document — 2025 buick all new enclave fleet order guide, p.34.

Encore — Gamma II (2013–2022)

2018–2019 Factory-verified

fleet and government orders; requires U2K; not on Encore 1SV

GM factory document — 2018 buick encore order guide copy gm authority, p.29.
GM factory document — 2019 buick encore order guide copy gm authority, p.26.

Encore GX — VSS-F (2020–2027)

2025 Factory-verified

Preferred, Sport Touring, Avenir: O

GM factory document — 2025 buick encore gx fleet order guide, p.39.

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.28.

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.27.

LaCrosse — E2XX, 3rd gen (2017–2019)

2018–2019 Factory-verified

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

GM factory document — 2018 buick lacrosse order guide copy gm authority, p.24.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.34.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

2019: Preferred, Preferred II, Essence, Avenir, GS: O (2019 Sportback order guide); fleet orders

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.35.

Regal — Epsilon II, 5th gen (2011–2017)

2016 Factory-verified

2016: all groups: O; requires U2K and a fleet or government order type; 36 months in all

GM factory document — 2016 buick regal order guide copy gm authority, p.31.

This page aggregates every documented appearance of PR8 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.