LPO, Onyx Lite package

Years 2017, 2025–27 Models 5 Factory citations 9

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Also described as Onyx Lite Package (LPO)LPO, Onyx lite packageLPO, protection package

Also documented for Buick Chevrolet GMC

Documented applications

Escalade — T1XX, 5th gen (2021–2027)

2026–2027 Factory-verified

2027: Sport: O

GM factory document — 2026 cadillac escalade escalade v fleet order guide, p.32.
GM factory document — 2027 cadillac escalade escalade v fleet order guide, p.18.

Lyriq — BEV3 (2023–2027)

2026–2027 Factory-verified

GM factory document — 2026 cadillac all electric lyriq lyriq v fleet order guide rpo codes, p.1.
GM factory document — 2027 cadillac all electric lyriq lyriq v fleet order guide rpo codes, p.1.

XT4 — E2 (2019–2025)

2025 Factory-verified

Premium Luxury: not available; Sport: O; includes 5JW wheels, 5ZC center cap, RIK nameplate and SFZ emblems; not with PDL, PDJ or PDK

GM factory document — 2025 cadillac xt4 fleet order guide, p.10.
GM factory document — 2025 cadillac xt4 fleet order guide rpo codes, p.1.

XT5 — C1XX (2017–2026)

2026 Factory-verified

GM Authority 2026 wheel article lists this code

GM factory document — 2026 cadillac xt5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac xt5 fleet order guide, p.15.
GM factory document — 2026 cadillac xt5 fleet order guide, p.30.

XTS — Epsilon II, enlarged (2013–2019)

2017 Confirmed

the 2018 list deletes it (GM Authority 2018 XTS changes)

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