Interior trim, Chestnut with Ebony accents, perforated leather, Avenir

Years 2018–20 Models 2 Factory citations 2

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Also described as Interior trim, Chestnut with Ebony accents, perforated leather

Documented applications

Enclave — C1XX (2018–2024)

2018–2020 Factory-verified

only in: Avenir; 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.

LaCrosse — E2XX, 3rd gen (2017–2019)

2018–2019 Factory-verified

only in: Avenir; GM Authority's 2018 page reads Ebony with Chestnut accents; 2018: GM Authority

GM factory document — 2019 buick lacrosse order guide copy gm authority, p.31.

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