Cadillac 2003 CTS Owner's Manual page 247

To program the configurable radio display keys, perform
the following steps:
1. Press the TUNE/SEL knob to enter the main menu.
2. Turn the TUNE/SEL knob until SETUP is displayed.
3. Press the TUNE/SEL knob to enter into SETUP.
4. Turn the TUNE/SEL knob until CONFIGURE
DISPLAY KEYS is displayed.
5. Press the TUNE/SEL knob to enter into
CONFIGURE DISPLAY KEYS.
6. Turn the TUNE/SEL knob to select which of the
four configurable keys you would like to change.
The currently assigned feature will be shown.
3-26
7. Press the TUNE/SEL knob to select the configurable
key to change.
8. Turn the TUNE/SEL knob to find the feature that
you would like to store to the key.
9. Press the TUNE/SEL knob when you have found the
feature to be stored. The display will update, by
showing the symbol of the feature that you selected
next to the configurable key.
10. Repeat the previous steps for each configurable key.
Once a feature is programmed to a key, the feature will
not appear on the display when programming the
remaining configurable keys. The configurable keys can
be changed at any time.