HME ✓ Factory-verified

Cadillac · Regular Production Option

Lighting Package

Years 2025–26 Models 1 Factory citations 4

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Documented applications

CT4 — Alpha 2 (2020–2026) →

• 2025–2026 ✓ Factory-verified

  V-Series Blackwing: S; Premium Luxury, Sport, V-Series: O; GM includes UGC and T87

  ⛭ GM factory document — 2025 cadillac ct4 fleet order guide, p.11.

  ⛭ GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.4.

  ⛭ GM factory document — 2026 cadillac ct4 fleet order guide, p.10.

  ⛭ GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.5.

Related codes · mentioned in these notes

OST87UGCV

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