2005 Buick Rainier Owner's Manual - Page 223

XM™ Radio Messages (cont'd) Radio Display Message Unknown Condition Radio ID not known (should only be if hardware failure) Hardware failure Action Required If this message is received when tuned to channel 0, there may be a receiver fault. Consult with your GM dealer. If this message does not clear within a short period of time, your receiver may have a fault. Consult with your GM dealer. If playing a CD-R the sound quality may be reduced due to CD-R quality, the method of recording, the quality of the music that has been recorded, and the way the CD-R has been handled. There may be an increase in skipping, difficulty in finding tracks, and/or difficulty in loading and ejecting. If these problems occur try a known good CD. Do not add paper labels to CDs, they could get caught in the CD player. If an error appears on the display, see "CD Messages" later in this section. Chk XMRcvr Playing a CD If the ignition or radio is turned off, with a CD in the player, it will stay in the player. When the ignition or radio is turned on, the CD will start playing where it stopped, if it was the last selected audio source. When a CD is inserted, the CD symbol will appear on the display. As each new track starts to play, the track number will appear on the display. The CD player can play the smaller 3 inch (8 cm) single CDs with an adapter ring. Full-size CDs and the smaller CDs are loaded in the same manner. 3-103