Headlamps control, automatic on-off

Years 2004–09 Models 2 Factory citations 6

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Also documented for Buick Cadillac Chevrolet Oldsmobile Pontiac Saturn

Documented applications

Acadia — first generation, Lambda (2007–2017)

2007–2009 Factory-verified

the 2009 list marks it not for use after the 2009 model year (use T83), in one reading, and after the 2009 global or new major programs, in another.

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.

Canyon — GMT355 (2004–2012)

2004–2006 Factory-verified

GM factory document — 2004 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2005 gmc canyon pickup 2wd rpo code list, p.1.
GM factory document — 2006 gmc canyon pickup 2wd rpo code list, p.1.

This page aggregates every documented appearance of T82 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.