DL9 Factory-verified

GMC · Regular Production Option

Mirrors, outside, heated, power adjustable, manual folding, chrome

Years 2015–17, 2019, 2021–22 Models 2 Factory citations 8
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Also described as Mirrors, outside heated power-adjustable, chrome, manual-folding

Also documented for Chevrolet

Documented applications

This page aggregates every documented appearance of DL9 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.