Interior, Jet Black with Jet Black accents, leather seating surfaces with mini-perforated custom quilted inserts and sueded front seatbacks

Years 2025–26 Models 2 Factory citations 4

Also described as Interior trim, Jet Black with Jet Black accents, high-performance seats with leather surfaces and sueded front seatbacks

Documented applications

CT4 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

V-Series Blackwing; Twenty-Two Carbon Fiber center console trim; seat code AQJ; requires the Climate Package (Y6F); includes the high performance steering wheel (BTH) and the sueded microfiber wrapped interior trim package (IWE)

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

CT5 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

only in: CT5-V, CT5-V Blackwing; Twenty-Two Carbon Fiber trim; requires ventilated seats (KU9) and the Technology Package (CWN); on the V-Series includes the Sueded Microfiber Wrapped Interior Trim Package (IWE)

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.

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