Interior, Jet Black, leather seating surfaces with mini-perforated inserts, Linear Galaxy high-gloss wood trim

Years 2015–17, 2020, 2025–26 Models 4 Factory citations 13

Also described as Interior, Jet Black with Jet Black accents, leather seating surfaces with mini-perforated insertsInterior trim, Jet Black with Jet Black accents, leather seating surfaces with mini-perforated insertsInterior, Jet Black, leather seating surfaces with perforated inserts

Also documented for Chevrolet GMC

Documented applications

CT4 — Alpha 2 (2020–2026)

2020, 2025–2026 Factory-verified

CT4 Sport (Pendulum finish aluminum center console trim, requires Climate Package Y6F in the 2025 guide) and CT4-V V-Series (Twenty-Two Carbon Fiber center console trim); seat code AQ9; 2020 from GM Authority's 2020 CT4 interior colors page

GM factory document — 2025 cadillac ct4 fleet order guide, p.34.
GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.35.
GM factory document — 2026 cadillac ct4 fleet order guide, p.31.
GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.33.

CT5 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

CT5 Sport and CT5-V V-Series; Twenty-Two Carbon Fiber trim; requires ventilated seats (KU9)

GM factory document — 2025 cadillac ct5 fleet order guide, p.28.
GM factory document — 2026 cadillac ct5 fleet order guide, p.30.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide, p.35.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide, p.37.

Escalade — K2XX (2015–2020)

2015–2017 Factory-verified

2015: Standard, Luxury, Premium; the lists read leather, level 4, Jet Black; GM Authority 2016 trim table

GM factory document — 2015 cadillac escalade fleet order guide wayback, p.1.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.8.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.20.

XT5 — C1XX (2017–2026)

2025–2026 Factory-verified

front bucket seats (AR9); Premium Luxury

GM factory document — 2025 cadillac xt5 fleet order guide, p.38.
GM factory document — 2026 cadillac xt5 fleet order guide, p.38.

This page aggregates every documented appearance of H2X in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.