OnStar Fleet Remote Access, additional 45 months

Years 2019, 2022–23 Models 5 Factory citations 6

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Also described as OnStar Fleet Driver Remote Access, 45 months addedOnStar Fleet Remote Access, 45 months added

Also documented for Chevrolet GMC

Documented applications

Enclave — C1XX (2018–2024)

2022–2023 Factory-verified

all trims: O; fleet orders; printed so in the guides, ending a P0J–P0O series

GM factory document — 2022 buick enclave order guide copy nhtsa docket, p.38.
GM factory document — 2023 buick enclave order guide copy autoevolution wayback, p.36.

Encore — Gamma II (2013–2022)

2019 Factory-verified

fleet and government orders; requires UE1; new for 2019; letter O in the code as GM prints it

GM factory document — 2019 buick encore order guide copy gm authority, p.25.

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

2019 Factory-verified

1SD, 1SL, 1SN, 1SP: O; fleet or government order types; for sales from May 1, 2018

GM factory document — 2019 buick envision order guide copy gm authority, p.29.

LaCrosse — E2XX, 3rd gen (2017–2019)

2019 Factory-verified

2019: Preferred, Sport Touring, Essence, Premium, Avenir: O; printed so in the 2019 guide (P0J–P0O series)

GM factory document — 2019 buick lacrosse order guide copy gm authority, p.33.

Regal — E2XX (2018–2020)

2019 Factory-verified

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

GM factory document — 2019 buick regal sportback order guide copy gm authority, p.34.

This page aggregates every documented appearance of P0O in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.