U67 (4) Confirmed
Also described as AM radio w/ rear controlAM/FM signal-seeking, 75 rear controlAM/FM signal-seeking stereo, rear controlSignal-seeking stereo, Limo rear control
Documented applications
This page aggregates every documented appearance of U67 (4) in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.