- 2000–2005 Factory-verified
the 2002 list omits the clock; the 2003 list misspells stereo.
U1R Factory-verified
Also described as Radio, AM stereo/FM stereo, seek/scan, auto reverse, music search cassette, CD, clock, ETR
Documented applications
- 1998–1999 Factory-verified
- 1998–1999 Factory-verified
- 1998–2003 Factory-verified
This page aggregates every documented appearance of U1R in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.