VTI ✓ Factory-verified

Buick · Regular Production Option

Shutters, front upper grille, active

Years 2019, 2025–27 Models 3 Factory citations 6

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Also described as Grille shutter, active, upperShutters, front upper grille

Also documented for CadillacChevroletGMC

Documented applications

Enclave — C1XX (2018–2024) →

• 2019 ● Confirmed

  only in: Avenir; not with the Avenir Technology Package; dropped for 2020; 2019: GM Authority's 2020 changes page

Encore GX — VSS-F (2020–2027) →

• 2025–2027 ✓ Factory-verified

  Preferred, Sport Touring, Avenir: S

  ⛭ GM factory document — 2025 buick encore gx fleet order guide, p.7.

  ⛭ GM factory document — 2026 buick encore gx fleet order guide, p.7.

  ⛭ GM factory document — 2027 buick encore gx fleet order guide, p.7.

Envision — E2XX (2021–2027) →

• 2025–2027 ✓ Factory-verified

  2027: all trims: S

  ⛭ GM factory document — 2025 buick envision fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 buick envision fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 buick envision fleet order guide, p.6.

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