GMC 2010 Sierra 1500 Crew Cab Owner's Manual page 318

on radios without a
the speaker control tabs display. Continue pressing to
highlight the desired tab, or press the softkey under
the desired tab. Turn the
counterclockwise to adjust the highlighted setting,
or adjust the highlighted setting by pressing either
SEEK arrow, FWD, or
desired levels are obtained.
To quickly adjust balance or fade to the middle position,
press the softkey positioned under the BAL or FADE tab
for more than two seconds. A beep sounds and the
level adjusts to the middle position.
To quickly adjust all speaker and tone controls to the
middle position, press the
two seconds.
If the Rear Seat Audio (RSA) is turned on, the radio
disables FADE and mutes the rear speakers.
To adjust the balance or fade for
radios with a button, press this button or the tune
knob until the desired speaker control tab displays. Turn
the tune knob clockwise or counterclockwise to adjust
the setting.
The setting can also be adjusted by pressing the seek
arrows.
4-94
To adjust balance or fade
button, press the knob until
knob clockwise or
REV button until the
knob for more than
The CAT button is used to find XM
stations when the radio is in the XM mode. To find XM
channels within a desired category:
1. Press the BAND button until the XM frequency
displays. Press the CAT button to display the
category tabs. Continue pressing the CAT button
until the desired category name displays.
Radios with CD and DVD can also navigate the
category list by pressing the
REV button.
2. Press either of the two buttons below the desired
category tab to immediately tune to the first XM
station associated with that category.
3. Turn the knob, press the buttons below the right
or left arrows displayed, or press either SEEK
arrow to go to the previous or to the next XM
station within the selected category.
4. To exit the category search mode, press the FAV
button or BAND button to display the favorites
again.
FWD or the