Radio, AM/FM stereo, seek/scan, compact disc, automatic tone, clock, ETR

Years 1998–09 Models 8 Factory citations 12

Also described as Radio, AM/FM stereo, seek/scan, CD, auto tone, clock, ETRRadio, AM/FM stereo, seek/scan, compact disc, auto tone, clock, ETRRadio, AM/FM stereo, seek and scan, compact disc, auto tone, clock

Also documented for Cadillac Chevrolet GMC Oldsmobile Pontiac

Documented applications

Century — W-body (1997–2005)

1998 Factory-verified

GM factory document — 1998 buick century rpo code list, p.1.

LaCrosse — W-body / GMX365 (2005–2009)

2005–2009 Factory-verified

GM factory document — 2005 buick lacrosse rpo code list, p.1.
GM factory document — 2009 buick lacrosse rpo code list, p.1.

LeSabre — H-body (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 buick lesabre rpo code list, p.1.
GM factory document — 1999 buick lesabre rpo code list, p.1.

LeSabre — H-body (2000–2005)

2000–2005 Factory-verified

GM factory document — 2000 buick lesabre rpo code list, p.1.
GM factory document — 2005 buick lesabre rpo code list, p.1.

Lucerne — G-body (2006–2011)

2006 Factory-verified

GM factory document — 2006 buick lucerne rpo code list, p.1.

Park Avenue — G-body (1997–2005)

1998–2000 Factory-verified

The 1998-2000 lists print UNO (letter O); GM's other lists print UN0 (zero) with this wording, so the code is UN0.

GM factory document — 1998 buick park avenue rpo code list, p.1.
GM factory document — 2000 buick park avenue rpo code list, p.1.

Regal — W-body (1997–2004)

1998 Factory-verified

GM factory document — 1998 buick regal rpo code list, p.1.

Skylark — N-body (1992–1998)

1998 Factory-verified

GM factory document — 1998 buick skylark rpo code list, p.1.

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