H8X ✓ Factory-verified

Buick · Regular Production Option

Interior trim, Shale with Ebony accents, perforated leather

Years 2018–20 Models 1 Factory citations 1

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Documented applications

Enclave — C1XX (2018–2024) →

• 2018–2020 ✓ Factory-verified

  Essence, Premium; GM Authority names it without the code for 2021; 2018: GM order guide via GM Authority; 2019–2020: GM Authority

  ⛭ GM factory document — 2018 buick enclave order guide copy gm authority, p.26.

This page aggregates every documented appearance of H8X in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.