Radio, AM/FM stereo, seek/scan, clock, ETR

Years 1987, 1991, 1996, 1998–03 Models 7 Factory citations 18

Also described as Radio, electronically tuned AM/FM stereo with seek/scan and clockRadio, AM/FM stereo, electronically tuned, seek and scan, clockRadio, AM/FM stereo, seek and scan, clock

Also documented for Cadillac Chevrolet GMC Oldsmobile Pontiac Saturn

Documented applications

Century — A-body (1982–1996)

1991, 1996 Single-source

1996: standard

Century — W-body (1997–2005)

1998–2003 Factory-verified

GM factory document — 1998 buick century rpo code list, p.1.
GM factory document — 1999 buick century rpo code list, p.1.
GM factory document — 2000 buick century rpo code list, p.1.
GM factory document — 2001 buick century rpo code list, p.1.
GM factory document — 2002 buick century rpo code list, p.1.
GM factory document — 2003 buick century 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)

2000–2002 Factory-verified

TriShield agrees on the meaning.

GM factory document — 2000 buick lesabre rpo code list, p.1.
GM factory document — 2002 buick lesabre rpo code list, p.1.

Regal — G-body (1983–1987)

1987 Factory-verified

includes U66; gnttype.org's 1987 option sheet; shared G-body code, cited from the Monte Carlo kit

GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.40.

Regal — W-body (1997–2004)

1998–2003 Factory-verified

GM factory document — 1998 buick regal rpo code list, p.1.
GM factory document — 1999 buick regal rpo code list, p.1.
GM factory document — 2000 buick regal rpo code list, p.1.
GM factory document — 2001 buick regal rpo code list, p.1.
GM factory document — 2002 buick regal rpo code list, p.1.
GM factory document — 2003 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 UM7 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.