KU1 ✓ Factory-verified

GMC · Regular Production Option

Seat, ventilated, driver

Years 2025–27 Models 1 Factory citations 3

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Also documented for BuickCadillacChevrolet

Documented applications

Terrain — Third generation (2025–2027) →

• 2025–2027 ✓ Factory-verified

  S: Denali (from 2026); O: Elevation, AT4 (from 2026); included in, and only available with, ZL4

  ⛭ GM factory document — 2025 gmc next generation terrain fleet order guide, p.14.

  ⛭ GM factory document — 2026 gmc next generation terrain fleet order guide, p.5.

  ⛭ GM factory document — 2027 gmc terrain fleet order guide, p.5.

Related codes · mentioned in these notes

ZL4

This page aggregates every documented appearance of KU1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.