Cadillac 2004 SRX Owner's Manual page 224

If you would like to display the message, perform the
following steps:
1. Press the TUNE/SEL knob to enter the main menu.
2. Turn the TUNE/SEL knob until RECALL RDS
MESSAGE appears on the display.
3. Press the TUNE/SEL knob. The message will
appear on the display.
Once the message has been displayed, MSG will
disappear from the display until another new message
is received.
TP (Traffic Program): TP will appear on the display
when the radio detects a signal from an RDS station that
has traffic announcement broadcast capability.
TA (Traffic Announcement): If TA appears on the
display, the tuned radio station broadcasts traffic
announcements and when a traffic announcement
comes on the tuned station you will hear it.
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If the current tuned station does not broadcast traffic
announcements, when TA is turned on it will seek to a
station that does. When the radio finds a station that
broadcasts traffic announcements, it will stop and TA will
be displayed. When a traffic announcement comes on the
tuned radio station you will hear it. If no station is found,
No Traffic will appear on the display.
Your radio will play traffic announcements if the volume is
low. Your radio will interrupt the play of a CD if the last
tuned station broadcasts traffic announcements.
To turn TA on or off, perform the following steps:
1. Press the TUNE/SEL knob to enter the main menu.
2. Turn the TUNE/SEL knob until TRAFFIC
ANNOUNCE appears on the display.
3. Press the TUNE/SEL knob to select ON or OFF.
An X will appear in the box when TA is selected on.
4. Press the CLR button to exit the display. To return
to the original display keep pressing the CLR button
or wait for the display to time out.