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

Years 1998–99 Models 1 Factory citations 2

Also documented for Buick Chevrolet GMC Pontiac Saturn

Documented applications

Eighty Eight (LSS) — H-body (1992–1999)

1998–1999 Factory-verified

GM's 1998 and 1999 lists print UC1 with the wording the corpus prints under U1C (~250 lists); likely a transposition of U1C.

GM factory document — 1998 oldsmobile eighty eight rpo code list, p.1.
GM factory document — 1999 oldsmobile eighty eight rpo code list, p.1.

This page aggregates every documented appearance of UC1 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.