RPO UM5

^ Radio AM/FM stereo
^ Cassette
^ Compact disc
^ Seek/scan
^ Auto reverse music search cassette feature
^ Auto tone
^ Clock
^ Electronically Tuned Receiver (ETR)
^ Radio Data Signal (RDS)
^ Digital Signal Processing (DSP)
^ Remote Bose(R) amplifier

For a description of the RPO Code(s) shown in this image/article refer to the RPO Code List found at Vehicle/Application ID RPO Codes