Chevrolet 2003 Monte Carlo Owner's Manual page 174

XMTM Radio Messages
Radio Display
Message
I
Condition Action Required
XL (Explicit Language
Channels)
~~ ~~
Updating
XL on the radio display,
after the channel name,
indicates content with
explicit language.
Updating encryption
code
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.
~~
No Sign1 Loss of signal 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 sianal should return.
after 4 second delay) text data. No action is needed. This message should
disappear shortly.
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