2007 GMC Envoy Owner's Manual - Page 278

Radio Display Message No Info No Info No Info Not Found XM Locked Condition Song/Program Title not available Category Name not available No Text/Informational message available No channel available for the chosen category Theft lock active Action Required No song title information is available at this time on this channel. The system is working properly. No category information is available at this time on this channel. The system is working properly. No text or informational messages are available at this time on this channel. The system is working properly. There are no channels available for the selected category. The system is working properly. The XM™ receiver in the vehicle may have previously been in another vehicle. For security purposes, XM™ receivers cannot be swapped between vehicles. If this message is received after having your vehicle serviced, check with your dealer. Radio ID Radio ID label (channel 0) If tuned to channel 0, this message alternates with the XM™ Radio 8 digit radio ID label. This label is needed to activate the service. Radio ID not known (should only be if hardware failure) Hardware failure If this message is received when tuned to channel 0, there could be a receiver fault. Consult with your dealer. If this message does not clear within a short period of time, the receiver could have a fault. Consult with your dealer. Unknown Chk XMRcvr 278