Radio, electronically tuned AM stereo/FM stereo, seek-scan, stereo cassette with search and repeat, graphic equalizer, digital clock, extended range sound system

Years 1985–92 Models 2 Factory citations 3

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Also described as Radio, ETR AM/FM stereo, auto reverse cassette, search and replay, seek and scan, equalizer, clock

Also documented for Buick Chevrolet GMC

Documented applications

Fiero (1984–1988)

1985–1988 Single-source

years from the OSG; conceptcarz's 1987 and 1988 lists agree

Firebird — Third generation (1982–1992)

1986–1992 Factory-verified

Firebird years: thirdgen.org label decodes 1986; 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.45.

This page aggregates every documented appearance of UX1 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.