Seat adjuster, driver 4-way manual, fore/aft, up/down, recline

Years 2007–09, 2014–16, 2019 Models 2 Factory citations 7

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Also described as Adjuster, front seat, manual, 4 way, driver

Also documented for Buick Chevrolet Oldsmobile Pontiac Saturn

Documented applications

Acadia — first generation, Lambda (2007–2017)

2007–2009, 2014–2016 Factory-verified

the 2014–2016 guides read 4-way manual driver seat with manual lumbar control.

GM factory document — 2007 gmc acadia 2wd rpo code list, p.1.
GM factory document — 2008 gmc acadia 2wd rpo code list, p.1.
GM factory document — 2009 gmc acadia 2wd rpo code list, p.1.
GM factory document — 2014 gmc acadia fleet order guide wayback, p.2.
GM factory document — 2015 gmc acadia fleet order guide wayback, p.2.
GM factory document — 2016 gmc acadia fleet order guide wayback, p.2.

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SL, SLE: S

GM factory document — 2019 gmc terrain order guide copy gm authority, p.6, p.34.

This page aggregates every documented appearance of AH3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.