M3G ✓ Factory-verified

Buick · Regular Production Option

Transmission, 9 speed automatic

Years 2018–19 Models 1 Factory citations 2

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Also documented for CadillacGMC

Documented applications

LaCrosse — E2XX, 3rd gen (2017–2019) →

• 2018–2019 ✓ Factory-verified

  2019: Sport Touring, Avenir: S; Preferred, Essence, Premium: O; with LGX

  ⛭ GM factory document — 2018 buick lacrosse order guide copy gm authority, p.6.

  ⛭ GM factory document — 2019 buick lacrosse order guide copy gm authority, p.9.

Related codes · mentioned in these notes

LGX

This page aggregates every documented appearance of M3G in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.