2010 Chevrolet Impala Owner's Manual - Page 223

Channel Unavail: This previously assigned channel is no longer assigned. Tune to another station. If this station was one of the presets, choose another station for that preset button. No Artist Info: No artist information is available at this time on this channel. The system is working properly. No Title Info: No song title information is available at this time on this channel. The system is working properly. No CAT Info: No category information is available at this time on this channel. The system is working properly. No Information: No text or informational messages are available at this time on this channel. The system is working properly. CAT Not Found: There are no channels available for the selected category. The system is working properly. XM Theftlocked: The XM receiver in the vehicle could have previously been in another vehicle. For security purposes, XM receivers cannot be swapped between vehicles. If this message is received after having the vehicle serviced, check with your dealer/retailer. XM Radio ID: 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. Unknown: If this message is received when tuned to channel 0, there could be a receiver fault. Consult with your dealer/retailer. Check Antenna: If this message does not clear within a short period of time, the receiver or antenna could have a fault. Consult with your dealer/retailer. Check XM Receivr: If this message does not clear within a short period of time, the receiver could have a fault. Consult with your dealer/retailer. XM Not Available: If this message does not clear within a short period of time, the receiver could have a fault. Consult with your dealer/retailer. 4-73