ATT Factory-verified

GMC · Regular Production Option

Seat, second row 60/40 split-folding bench, power release

Years 2015–18, 2022–23, 2025–27 Models 4 Factory citations 18
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Also described as Second-row seat, 60/40 split-folding bench

Also documented for CadillacChevrolet

Documented applications

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