R9M Factory-verified

GMC · Regular Production Option

OnStar One, 3 years

Years 2024–27 Models 11 Factory citations 30

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Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

2025: AT4, Denali: S; Elevation: O; 2026–2027: Denali, Denali Ultimate: S; Elevation, AT4: O; the 2025 guide words it as 3 Years of OnStar Digital Services

GM factory document — 2025 gmc acadia fleet order guide, p.3.
GM factory document — 2026 gmc acadia fleet order guide, p.6.
GM factory document — 2027 gmc acadia fleet order guide, p.7.

Canyon — Third generation (VSS-T) (2023–2027)

2024–2027 Factory-verified

2025: AT4, Denali: S; Elevation: not offered; 2026–2027: Denali: S; Elevation, AT4, AT4X: not offered; the 2024 guide words it as 3 Years of OnStar Premium Plan and the 2025 list as 3 Years of OnStar Digital Services

GM factory document — 2024 gmc canyon fleet order guide wayback, p.1.
GM factory document — 2025 gmc canyon fleet order guide, p.3.
GM factory document — 2026 gmc canyon fleet order guide, p.4.
GM factory document — 2027 gmc canyon fleet order guide, p.4.

Hummer EV Pickup (2022–2027)

2025–2026 Factory-verified

the 2025 lists print "3 Years of Super Cruise and Digital Services by OnStar"

GM factory document — 2025 gmc hummer ev pickup fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc hummer ev pickup fleet order guide rpo codes, p.1.

Hummer EV SUV — BT1 (2024–2027)

2025–2026 Factory-verified

the 2025 guide prints "3 Years of Super Cruise and Digital Services by OnStar".

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.3.
GM factory document — 2026 gmc hummer ev suv fleet order guide, p.3.

Sierra EV — BT1 (2024–2027)

2025–2027 Factory-verified

the 2025 guide prints "3 Years of Super Cruise and Digital Services by OnStar"; 2025: S in 5SC, 5SD; 2026: S in 4SC, 4SD, 5SB, 5SC, 5SD; A in 3SC; not offered in 3SB; 2027: S in 4SC, 4SD, 5SC, 5SD; A in 3SC; not offered in 3SB

GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra ev denali fleet order guide, p.3.
GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra ev fleet order guide, p.6.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro, Elevation 3VL: not offered; Elevation 3SB: O; AT4, AT4X, Denali, Denali Ultimate: S; on Elevation 3SB included and only available with Super Cruise (UKL); requires OnStar (UE1)

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.4.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra HD — T1XX (2020–2027)

2024–2027 Factory-verified

only in: 2500 HD and 3500 HD pickup; the 2025 lists print "3 Years of OnStar Premium Plan"; GM Authority lists R9M as the 3 year OnStar Premium Plan on the 2024 AT4X and Denali Ultimate; 2024: GM Authority 2024 changes page

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Sierra — T1XX (2019–2026)

2025–2026 Factory-verified

the 2025 list reads "3 Years of Super Cruise and Digital Services by OnStar"

GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Terrain — Third generation (2025–2027)

2026–2027 Factory-verified

2026: S: AT4, Denali; not offered: Elevation; 2027: S: Denali; not offered: Elevation, AT4; requires UE1; the 2025 guide has no R9M entry

GM factory document — 2026 gmc next generation terrain fleet order guide, p.4.
GM factory document — 2027 gmc terrain fleet order guide, p.5.

Yukon — T1XX (2021–2027)

2025–2027 Factory-verified

2027: AT4 Ultimate, Denali, Denali Ultimate: S; Elevation, AT4: O; the 2025 guide reads 3 years of OnStar Digital Services; the 2026 and 2027 guides read 3 years OnStar One

GM factory document — 2025 gmc new yukon denali fleet order guide, p.13.
GM factory document — 2026 gmc yukon denali fleet order guide, p.15.
GM factory document — 2027 gmc yukon fleet order guide, p.13.

Yukon XL — T1XX (2021–2027)

2025–2027 Factory-verified

2027: AT4 Ultimate, Denali, Denali Ultimate: S; Elevation, AT4: O; the 2025 guide reads 3 years of OnStar Digital Services; the 2026 and 2027 guides read 3 years OnStar One

GM factory document — 2025 gmc new yukon xl denali fleet order guide, p.13.
GM factory document — 2026 gmc yukon xl denali fleet order guide, p.15.
GM factory document — 2027 gmc yukon xl fleet order guide, p.13.

This page aggregates every documented appearance of R9M in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.