HFL ✓ Factory-verified

GMC · Regular Production Option

Interior trim, Gideon Gray / After Dark, CoreTec seats

Years 2025–27 Models 1 Factory citations 3

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Documented applications

Terrain — Third generation (2025–2027) →

• 2025–2027 ✓ Factory-verified

  only in: Elevation; seat code AR9, front buckets; included in, and only available with, GHI (the 2025 page marks the CoreTec row with that note)

  ⛭ GM factory document — 2025 gmc next generation terrain fleet order guide, p.21.

  ⛭ GM factory document — 2026 gmc next generation terrain fleet order guide, p.29.

  ⛭ GM factory document — 2027 gmc terrain fleet order guide, p.30.

Related codes · mentioned in these notes

AR9GHI

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