Cadillac 2010 DTS - Manual (Page 256)

The radio clock and analog clock are not synchronized.
Occasionally you might need to set the digital radio
clock using the procedure below to synchronize both
clocks.
For a Six-Disc CD Player
To turn the radio clock display on or off:
1. Turn the radio on.
2. Press the MENU button until
H
is displayed
3. Press the pushbutton located under
H
until the
clock and date settings appear.
4. Press the pushbutton located under the forward
arrow tab until the menu for default clock and date
settings appear.
5. Press the pushbutton located under the
currently displayed status of either ON or OFF.
The ON display indicates the radio clock display is
disabled and the OFF display indicates the radio
clock display is enabled. Press this pushbutton to
toggle the radio clock display on or off.
If the radio clock display is turned on, the screen
displays Radio Clock ON for 10 seconds, then
returns to the original clock display menu.
If the radio clock display is turned off, the
screen displays Radio Clock OFF for 10 seconds.
The menus for clock and date settings are
removed, and ON displays as a current status
indicating that the clock display can be turned
on, if desired.
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