Chevrolet 2006 HHR Owner's Manual page 196

Finding a Category (CAT) Station
CAT (Category): The CAT button is used to find XM™
stations while the radio is in the XM™ mode. To find
XM™ channels within a desired category, perform
the following:
1. Press the BAND button until the XM™ frequency is
displayed. Press the CAT button to display the
category labels on the radio display. Continue
pressing the CAT button until the desired category
name is displayed.
2. Press either of the two buttons below the desired
category label to immediately tune to the first
XM™ station associated with that category.
3. Rotate the tune knob, press the buttons below the
right or left arrows displayed, or press the right or
left SEEK buttons to go to the next or previous
XM™ station within the selected category.
4. To exit the category search mode, press the
FAV button or BAND button to display your
favorites again.
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Undesired XM™ categories can be removed through
the setup menu. To remove an undesired category,
perform the following:
1. Press the MENU button to display the radio
setup menu.
2. Press the pushbutton located below the XM CAT
label.
3. Rotate the tune knob to display the category you
want removed.
4. Press the pushbutton located under the Remove
label until the category name along with the word
Removed appears on the display.
5. Repeat the steps to remove more categories.
Removed categories can be restored by pressing the
pushbutton under the Add label when a removed
category is displayed or by pressing the pushbutton
under the Restore All label.
The radio will not allow you to remove or add categories
while the vehicle is moving faster than 5 mph (8 kmh).