ATN Factory-verified

GMC · Regular Production Option

Seats, second row bucket, power release

Years 2015–18, 2022–23, 2025–27 Models 4 Factory citations 18
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Also described as Second-row seats, buckets

Also documented for CadillacChevrolet

Documented applications

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