Navigation/Radio System - Chevrolet 2008 Silverado 1500 Pickup Owner's Manual

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 appears after having
your vehicle serviced, check with your dealer/retailer.
XM Radio ID: 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.
3-120
Unknown: If this message is received when tuned to
channel 0, there could be a receiver 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.

Navigation/Radio System

Your vehicle may have a navigation radio system.
The navigation system has built-in features intended to
minimize driver distraction. Technology alone, no
matter how advanced, can never replace your own
judgment. See the Navigation System manual for some
tips to help you reduce distractions while driving.