For 1990-2009 cars

Radio Display Message | Condition | Action Required
--- | --- | ---
XL (Explicit Language Channels) | XL on the radio display, after the channel name, indicates content with explicit language. | These channels, or any others, can be blocked at a customer's request, by calling 1-800-852-XMXM (9696).
XM Updating | Updating encryption code | The encryption code in the receiver is being updated, and no action is required. This process should take no longer than 30 seconds.
No XM Signal | Loss of signal | The system is functioning correctly, but the vehicle is in a location that is blocking the XM™ signal. When you move into an open area, the signal should return.
Loading XM | Acquiring channel audio (after four second delay) | The audio system is acquiring and processing audio and text data. No action is needed. This message should disappear shortly.
Channel Off Air | Channel not in service | This channel is not currently in service. Tune to another channel.
Channel Unavail | Channel no longer available | 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 | Artist Name/Feature not available | No artist information is available at this time on this channel. The system is working properly.
No Title Info | Song/Program Title not available | No song title information is available at this time on this channel. The system is working properly.
No CAT Info | Category Name not available | No category information is available at this time on this channel. The system is working properly.
No Information | No Text/Informational message available | No text or informational messages are available at this time on this channel. The system is working properly.
CAT Not Found | No channel available for the chosen category | There are no channels available for the selected category. The system is working properly.
XM Theft Locked | Theftlock® active | 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 displays after having your vehicle serviced, check with your dealer.
XM Radio ID | Radio ID label (channel 0) | If tuned to channel 0, this message alternates with the XM™ Radio eight digit radio ID label. This label is needed to activate the service.
Unknown | Radio ID not known (should only be if hardware failure) | If this message is received when tuned to channel 0, there could be a receiver fault. Consult with your dealer.
Check XM Receivr | Hardware failure | If this message does not clear within a short period of time, the receiver could have a fault. Consult with your dealer.
XM Not Available | 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.