Radio, AM/FM stereo, seek/scan, compact disc, auto tone

Years 1998–05 Models 11 Factory citations 38

Also described as Radio, AM/FM stereo, seek/scan, CD, auto tone, clock, ETRRadio, AM/FM, seek/scan, compact disc, auto tone, clockRadio, AM/FM stereo, seek/scan, compact disc, auto tone, clock, ETRRadio, AM/FM stereo, seek/scan, CD, auto tone control, clockRadio, AM/FM stereo, seek/scan, compact disc, auto tone control, clock, ETR, will not snap fit into instrument panel, no attaching fasteners

Also documented for Buick Cadillac Chevrolet Oldsmobile Pontiac

Documented applications

Envoy — GMT360 (2002–2009)

2002, 2003 Factory-verified

the 2002 list prints UN0 as UNO (the same radio in the same position; UN0 in 2003 and in other GM lists)

GM factory document — 2002 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2003 gmc envoy 4wd rpo code list, p.1.

Jimmy — second generation (1995–2001)

1998–2001 Factory-verified

GM factory document — 1998 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 1999 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2000 gmc jimmy 4wd rpo code list, p.1.
GM factory document — 2001 gmc jimmy 4wd rpo code list, p.1.

Safari — Second generation (1995–2005)

1998–2005 Factory-verified

1998 list reads without clock and ETR; the 1999 to 2003 lists print the letter O (UNO) with the same wording, and GM's other lists print UN0, the zero form.

GM factory document — 1998 gmc safari 2wd rpo code list, p.1.
GM factory document — 1999 gmc safari 2wd rpo code list, p.1.
GM factory document — 2000 gmc safari 2wd rpo code list, p.1.
GM factory document — 2001 gmc safari 2wd rpo code list, p.1.
GM factory document — 2002 gmc safari 2wd rpo code list, p.1.
GM factory document — 2003 gmc safari 2wd rpo code list, p.1.
GM factory document — 2004 gmc safari 2wd rpo code list, p.1.
GM factory document — 2005 gmc safari 2wd rpo code list, p.1.

Savana — GMT600 (1996–2002)

1998–2000 Factory-verified

GM factory document — 1998 gmc savana rpo code list, p.1.
GM factory document — 1999 gmc savana rpo code list, p.1.
GM factory document — 2000 gmc savana rpo code list, p.1.

Sierra — GMT400 (1988–2000)

1998–2000 Factory-verified

GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 2000 gmc gmc c pickup 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

1999–2002 Factory-verified

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2001–2002 Factory-verified

GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.

Sonoma — second generation (1994–2004)

1998–2004 Factory-verified

GM factory document — 1998 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 1999 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2000 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2001 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2002 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2003 gmc sonoma pickup 4wd rpo code list, p.1.
GM factory document — 2004 gmc sonoma pickup 4wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 gmc gmc suburban 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc suburban 2wd rpo code list, p.1.

Yukon — GMT400 (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 gmc yukon 2wd rpo code list, p.1.
GM factory document — 1999 gmc yukon 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2000–2002 Factory-verified

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2001 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2002 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of UN0 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.