Mirrors, outside heated power-adjustable, manual-folding, with turn signal indicators, ground illumination and driver-side auto-dimming

Years 2014–16, 2018 Models 1 Factory citations 3

Also documented for Buick

Documented applications

Impala — tenth generation (2014–2020)

2014–2016 Factory-verified

2014–2015: 1LZ, 2LZ: O (in PCH); 2016: 2LZ: O (in PCH)

GM factory document — 2014 chevrolet impala fleet order guide wayback, p.3.
GM factory document — 2015 chevrolet impala fleet order guide wayback, p.3.
GM factory document — 2016 chevrolet impala fleet order guide wayback, p.3.
2018 Single-source

in ACZ (GM Authority's 2018 Impala article, narrative package-contents section, which is not the credited 'Official RPO Changes' list)

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