Chevrolet Bravada 2004 Owner's Manual page 156

Radio Display
Message
XL (Explicit Language
Channels)
Updating
No Signl
Loading
Off Air
CH Unavl
No Info
3-58
XM™ Radio Messages
Condition
XL on the radio display,
after the channel name,
indicates content with
explicit language.
Updating encryption
code
Loss of signal
Acquiring channel audio
(after 4 second delay)
Channel not in service
Channel no longer
available
Artist Name/Feature not
available
Action Required
These channels, or any others, can be blocked at a
customer's request, by calling 1-800-852-XMXM (9696).
The encryption code in your receiver is being updated, and
no action is required. This process should take no longer
than 30 seconds.
Your system is functioning correctly, but you are in a
location that is blocking the XM signal. When you move into
an open area, the signal should return.
Your radio system is acquiring and processing audio and
text data. No action is needed. This message should
disappear shortly.
This channel is not currently in service. Tune to another
channel.
This previously assigned channel is no longer assigned.
Tune to another station. If this station was one of your
presets, you may need to choose another station for that
preset button.
No artist information is available at this time on this channel.
Your system is working properly.