R9M Factory-verified

Cadillac · Regular Production Option

OnStar One, 3 years

Years 2025–27 Models 9 Factory citations 30

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Also described as OnStar Digital Services, 3 years

Also documented for Buick Chevrolet GMC

Documented applications

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

all trims: S; the 2025 lists read "3 Years of OnStar Digital Services"

GM factory document — 2025 cadillac ct4 fleet order guide, p.3.
GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.3.
GM factory document — 2026 cadillac ct4 fleet order guide, p.3.
GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.3.

CT5 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

Premium Luxury, Sport: S; V-Series, V-Series Blackwing: S; the 2025 list reads 3 Years of OnStar Digital Services

GM factory document — 2025 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac ct5 fleet order guide, p.3.
GM factory document — 2026 cadillac ct5 fleet order guide, p.3.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide, p.3.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide, p.3.

Escalade IQ — Ultium BEV (2025–2027)

2025–2027 Factory-verified

the 2025 list words it as 3 years of OnStar Digital Services

GM factory document — 2025 cadillac all electric escalade iq fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric escalade iql fleet order guide rpo codes, p.1.

Escalade — T1XX, 5th gen (2021–2027)

2025–2027 Factory-verified

2027: S on all trims; 2025: OnStar Digital Services

GM factory document — 2025 cadillac new escalade escalade v fleet order guide, p.3.
GM factory document — 2027 cadillac escalade escalade v fleet order guide, p.4.

Lyriq — BEV3 (2023–2027)

2025–2027 Factory-verified

the 2025 list reads 3 Years of OnStar Digital Services; all trims: S

GM factory document — 2025 cadillac all electric lyriq fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric lyriq lyriq v fleet order guide rpo codes, p.1.

Optiq — BEV3 (2025–2027)

2025–2027 Factory-verified

the 2025 list reads "3 Years of OnStar Digital Services"

GM factory document — 2025 cadillac all electric optiq fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide rpo codes, p.1.

Vistiq — BEV3 (2026–2027)

2026–2027 Factory-verified

all trims: S

GM factory document — 2026 cadillac all electric vistiq fleet order guide, p.56.
GM factory document — 2027 cadillac all electric vistiq fleet order guide, p.56.

XT5 — C1XX (2017–2026)

2025–2026 Factory-verified

all trims: S; 2025 list prints "3 Years of OnStar Digital Services"

GM factory document — 2025 cadillac xt5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac xt5 fleet order guide rpo codes, p.1.
GM factory document — 2025 cadillac xt5 fleet order guide, p.3.
GM factory document — 2025 cadillac xt5 fleet order guide, p.23.
GM factory document — 2026 cadillac xt5 fleet order guide, p.4.
GM factory document — 2026 cadillac xt5 fleet order guide, p.24.

XT6 — C1XX (2020–2025)

2025 Factory-verified

All trims: S

GM factory document — 2025 cadillac xt6 fleet order guide, p.4.
GM factory document — 2025 cadillac xt6 fleet order guide, p.64.

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