Radio, AM/FM stereo, seek/scan, cassette, automatic reverse, music search, CD, HPS, clock, ETR

Years 1998–99 Models 2 Factory citations 3

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Also described as Radio, AM/FM stereo, seek/scan, automatic reverse music search cassette, CD, HPS, clock, ETR

Also documented for Chevrolet GMC Oldsmobile

Documented applications

Park Avenue — G-body (1997–2005)

1998 Factory-verified

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

Riviera — G-body (1995–1999)

1998–1999 Factory-verified

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

This page aggregates every documented appearance of U1F in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.