Radio, AM/FM stereo, WX, seek/scan, CD, DVD, navigation, clock, DSP, RDS, with voice recording microphone

Years 2007–09 Models 4 Factory citations 11

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Also documented for Buick Cadillac GMC Saturn

Documented applications

Avalanche — GMT900 (2007–2013)

2007–2009 Factory-verified

GM factory document — 2007 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.

Suburban — GMT900 (2007–2014)

2007–2009 Factory-verified

GM factory document — 2007 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.
GM Heritage factory kit — 2007 Chevrolet Suburban, p.35.

Tahoe — GMT900 (2007–2014)

2007–2009 Factory-verified

GM factory document — 2007 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2008 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2009 chevrolet tahoe 2wd rpo code list, p.1.

Traverse — First generation (2009–2017)

2009 Factory-verified

GM factory document — 2009 chevrolet traverse rpo code list, p.1.

This page aggregates every documented appearance of U3R in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.