Radio, electronically tuned AM/FM stereo, seek-scan, stereo cassette, digital clock, extended range sound system

Years 1985–92, 1998–04 Models 7 Factory citations 12

Also described as Radio, ETR AM/FM stereo, auto reverse cassette, seek and scan, clockRadio, AM/FM stereo, auto reverse, cassette, clock, ETRRadio, AM/FM stereo, cassetteRadio, AM/FM stereo, seek/scan, auto reverse cassette, clockRadio, AM/FM stereo, seek/scan, auto reverse cassette, clock, ETRRadio, AM/FM stereo, seek/scan, auto reverse, cassette, clock

Also documented for Buick Cadillac Chevrolet GMC Oldsmobile Saturn

Documented applications

Fiero (1984–1988)

1985–1988 Single-source

years from the OSG; conceptcarz's 1988 list agrees; the rparts and Halderman lists agree

Firebird — Third generation (1982–1992)

1987–1992 Factory-verified

Firebird years: 3rdgenformula option pages 1987–1992; shared F-body code; cited from the Camaro kits

GM Heritage factory kit — 1987 Chevrolet Camaro, p.7.
GM Heritage factory kit — 1988 Chevrolet Camaro, p.30.
GM Heritage factory kit — 1989 Chevrolet Camaro, p.39.
GM Heritage factory kit — 1990 Chevrolet Camaro, p.45.

Firebird — Fourth generation (1993–2002)

1998–2001 Factory-verified

the 2001 list adds seek/scan

GM factory document — 1998 pontiac firebird rpo code list, p.1.
GM factory document — 2001 pontiac firebird rpo code list, p.1.

Grand Am — N-body (1992–1998)

1998 Factory-verified

GM factory document — 1998 pontiac grand am rpo code list, p.1.

Grand Am — Fifth generation (1999–2005)

2001 Factory-verified

GM factory document — 2001 pontiac grand am rpo code list, p.1.

Montana — U-body second generation (1997–2005)

1998–1999 Factory-verified

GM factory document — 1998 pontiac trans sport ext rpo code list, p.1.
GM factory document — 1999 pontiac montana ext rpo code list, p.1.

Sunfire — J-body (1995–2005)

1998–2004 Factory-verified

GM factory document — 1998 pontiac sunfire rpo code list, p.1.
GM factory document — 2004 pontiac sunfire rpo code list, p.1.

This page aggregates every documented appearance of UM6 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.