UHX Factory-verified

Cadillac · Regular Production Option

Lane Keep Assist

Years 2015, 2017–18, 2023, 2025–26 Models 10 Factory citations 22

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Also described as Lane Keep Assist with Lane Departure WarningLane keep assist with lane departure warning

Also documented for Buick Chevrolet GMC

Documented applications

ATS — Alpha (2013–2019)

2015, 2018 Factory-verified

with Lane Departure Warning in the 2018 guides

GM factory document — 2015 cadillac ats coupe fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats coupe fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats sedan fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats v fleet order guide wayback, p.2.

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

all trims: S

GM factory document — 2025 cadillac ct4 fleet order guide, p.2.
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)

2023 Factory-verified

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

CT6 — Omega (2016–2020)

2017 Factory-verified

base: O with UEU; Luxury, Premium Luxury, Platinum: S

GM factory document — 2017 cadillac ct6 fleet order guide wayback, p.2.

CTS — Alpha (2014–2019)

2015, 2018 Factory-verified

the 2018 guide reads Lane Keep Assist with Lane Departure Warning; the 2015 guide prints Lane Departure Warning as a separate line with no code

GM factory document — 2015 cadillac cts sedan fleet order guide wayback, p.2.
GM factory document — 2018 cadillac cts sedan fleet order guide wayback, p.2.

Escalade — K2XX (2015–2020)

2017 Factory-verified

GM Authority's 2017 changes rename it; no 2015 guide prints it; the 2016 list also prints it, which is not counted

GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.34.

Escalade — T1XX, 5th gen (2021–2027)

2023 Factory-verified

GM factory document — 2023 cadillac 23 escalade escalade esv electrical body builder sm en us 2022oct25, p.13.

XT5 — C1XX (2017–2026)

2025–2026 Factory-verified

all trims: S

GM factory document — 2025 cadillac xt5 fleet order guide rpo codes, p.1.
GM factory document — 2026 cadillac xt5 professional vehicles 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.21.
GM factory document — 2026 cadillac xt5 fleet order guide, p.4.
GM factory document — 2026 cadillac xt5 fleet order guide, p.22.

XT6 — C1XX (2020–2025)

2025 Factory-verified

All trims: S; deleted when UKL is ordered

GM factory document — 2025 cadillac xt6 fleet order guide, p.3.
GM factory document — 2025 cadillac xt6 fleet order guide, p.65.

XTS — Epsilon II, enlarged (2013–2019)

2015, 2017 Confirmed

2015: FWD models only, new for the model year (GM Authority 2015 XTS changes); 2017: the description reads Lane Keep Assist with Lane Departure Warning (Luxury, Premium Luxury and Platinum FWD) (GM Authority 2017 XTS changes)

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