2007 Chevrolet Impala Owner's Manual - Page 241

Radio Display Message Condition CAT Not Found No channel available for the chosen category XM Theft Locked Theftlock® active XM Radio ID Unknown Check XM Receivr XM Not Available Action Required 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 displays after having your vehicle serviced, check with your dealer. 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. Radio ID not known If this message is received when tuned to channel 0, there (should only be if could be a receiver fault. Consult with your dealer. hardware failure) 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 If this message does not clear within a short period of time, the receiver could have a fault. Consult with your dealer. Theft-Deterrent Feature THEFTLOCK® is designed to discourage theft of your vehicle's radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a different vehicle, it does not operate and LOCKED displays. With THEFTLOCK® activated, the radio cannot operate if stolen. 241