UKL Factory-verified

Cadillac · Regular Production Option

Super Cruise

Years 2023, 2025–27 Models 8 Factory citations 26

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Also documented for Buick Chevrolet GMC

Documented applications

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

Premium Luxury, Sport, V-Series: O

GM factory document — 2025 cadillac ct4 fleet order guide, p.17.
GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.17.
GM factory document — 2026 cadillac ct4 fleet order guide, p.15.
GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.17.

CT5 — Alpha 2 (2020–2026)

2023, 2025–2026 Factory-verified

Premium Luxury, Sport: S; V-Series: S; V-Series Blackwing: O

GM factory document — 2023 cadillac ct5 v ct5 v blackwing fleet order guide wayback, p.1.
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.1.
GM factory document — 2026 cadillac ct5 fleet order guide, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide, p.1.

Escalade IQ — Ultium BEV (2025–2027)

2025–2027 Factory-verified

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)

2023, 2025–2027 Factory-verified

2027: S on all trims

GM factory document — 2023 cadillac 23 escalade escalade esv electrical body builder sm en us 2022oct25, p.13.
GM factory document — 2025 cadillac new escalade escalade v fleet order guide, p.1.
GM factory document — 2027 cadillac escalade escalade v fleet order guide, p.1.

Lyriq — BEV3 (2023–2027)

2025–2027 Factory-verified

2025: only in: Premium Luxury (1SD), Signature Luxury (1SE), Premium Sport (1SJ), Signature Sport (1SK) (S); 2026–2027: 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

includes 3 years of OnStar One with Super Cruise upgrade (2026–2027 guide wording)

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; includes 3 years of OnStar One with Super Cruise upgrade; needs UE1 and R9M

GM factory document — 2026 cadillac all electric vistiq fleet order guide, p.57.
GM factory document — 2027 cadillac all electric vistiq fleet order guide, p.57.

XT6 — C1XX (2020–2025)

2025 Factory-verified

Premium Luxury: O; Sport: O

GM factory document — 2025 cadillac xt6 fleet order guide, p.11.
GM factory document — 2025 cadillac xt6 fleet order guide, p.65.

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