C1Y ✓ Factory-verified

Buick · Regular Production Option

Convertible roof, folding, acoustically and thermally insulated

Years 2016–19 Models 1 Factory citations 4

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Documented applications

Cascada — Delta II (2016–2019) →

• 2016–2019 ✓ Factory-verified

  all trims: S

  ⛭ GM factory document — 2016 buick cascada order guide copy gm authority, p.3, p.8.

  ⛭ GM factory document — 2017 buick cascada order guide copy gm authority, p.3, p.13.

  ⛭ GM factory document — 2018 buick cascada order guide copy gm authority, p.3, p.13.

  ⛭ GM factory document — 2019 buick cascada order guide copy gm authority, p.3, p.13.

This page aggregates every documented appearance of C1Y in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.