Livery package

Years 2009, 2015, 2017–19, 2023, 2025–27 Models 7 Factory citations 17

Also described as Warranty, 150,000 miles, 3 yearsLivery Package (with a 3-year/150,000-mile professional vehicle warranty)

Also documented for Chevrolet GMC

Documented applications

CT6 — Omega (2016–2020)

2017–2019 Factory-verified

all trims: O; for funeral, hotel and livery operators; replaces the powertrain limited warranty; new for 2017; 2018 and 2019 from the 2018 and 2019 CT6 order guides (GM documents)

GM factory document — 2017 cadillac ct6 fleet order guide wayback, p.4.
GM factory document — 2018 cadillac ct6 order guide copy gm authority, p.58.
GM factory document — 2019 cadillac ct6 order guide copy gm authority, p.53, p.55.

Escalade EXT — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 cadillac escalade ext rpo code list, p.1.

Escalade — GMT900 (2007–2014)

2009 Factory-verified

GM factory document — 2009 cadillac escalade rpo code list, p.1.

Escalade — K2XX (2015–2020)

2015 Factory-verified

2015: A on all trims; carries a 36 month/150,000 mile professional vehicle protection plan for funeral, livery and hotel buyers

GM factory document — 2015 cadillac escalade fleet order guide wayback, p.4.

Escalade — T1XX, 5th gen (2021–2027)

2023, 2025–2027 Factory-verified

2027: O on all trims

GM factory document — 2023 cadillac 23 escalade escalade esv electrical body builder sm en us 2022oct25, p.14.
GM factory document — 2025 cadillac new escalade escalade v fleet order guide, p.18.
GM factory document — 2027 cadillac escalade escalade v fleet order guide, p.20.

XT5 — C1XX (2017–2026)

2025–2026 Factory-verified

Premium Luxury: O; Luxury, Sport: not available

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.17.
GM factory document — 2025 cadillac xt5 fleet order guide, p.36.
GM factory document — 2026 cadillac xt5 fleet order guide, p.18.
GM factory document — 2026 cadillac xt5 fleet order guide, p.37.

XT6 — C1XX (2020–2025)

2025 Factory-verified

Premium Luxury: O

GM factory document — 2025 cadillac xt6 fleet order guide, p.18.
GM factory document — 2025 cadillac xt6 fleet order guide, p.66.

This page aggregates every documented appearance of ZR3 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.