GMC SIERRA 2008 Owner's Manual
Page 261 of 578
Setting the Tone
(Bass/Midrange/Treble)
BASS/MID/TREB (Bass, Midrange, or Treble):To
adjust bass, midrange, or treble, press the
fknob until
the tone control labels display. Continue pressing to
highlight the desired label, or press the pushbutton
positioned under the desired label. Turn the
fknob
clockwise or counterclockwise to adjust the highlighted
setting. You can also adjust the highlighted setting
by pressing either SEEK arrow,
\FWD (forward), or
sREV (reverse) button until the desired levels
are obtained. If a station’s frequency is weak or if there
is static, decrease the treble.
To quickly adjust bass, midrange, or treble to the middle
position, press the pushbutton positioned under the
BASS, MID, or TREB label for more than two seconds.
A beep sounds and the level adjusts to the middle
position.
To quickly adjust all tone and speaker controls to the
middle position, press the
fknob for more than
two seconds until a beep sounds.
EQ (Equalization):Press this button to choose bass
and treble equalization settings designed for different
types of music. The choices are pop, rock, country, talk,
jazz, and classical. Selecting MANUAL or changingbass or treble, returns the EQ to the manual bass and
treble settings.
Unique EQ settings can be saved for each source.
If your radio has a Bose
®audio system, the EQ settings
are either MANUAL or TALK.
Adjusting the Speakers (Balance/Fade)
(AM-FM Radio)
`
(Balance/Fade):To adjust the balance or fade,
press this button or the tune knob until the desired
speaker control label displays. Turn the tune knob
clockwise or counterclockwise to adjust the setting.
The setting can also be adjusted by pressing the
seek arrows.
Adjusting the Speakers (Balance/Fade)
BAL/FADE (Balance/Fade):To adjust balance or
fade, press the
fknob until the speaker control labels
display. Continue pressing to highlight the desired
label, or press the pushbutton positioned under the
desired label. Turn the
fknob clockwise or
counterclockwise to adjust the highlighted setting. You
can also adjust the highlighted setting by pressing either
SEEK arrow,
\FWD, orsREV button until the
desired levels are obtained.
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Page 262 of 578
To quickly adjust balance or fade to the middle position,
press the pushbutton positioned under the BAL or
FADE label 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
fknob for more than
two seconds.
If the Rear Seat Audio (RSA) is turned on, the radio
disables FADE and mutes the rear speakers.
Finding a Category (CAT) Station
CAT (Category):The CAT button is used to nd XM™
stations when the radio is in the XM™ mode. To nd
XM™ channels within a desired category, perform
the following:
1. Press the BAND button until the XM™ frequency
displays. Press the CAT button to display the
category labels. 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
\FWD or the
sREV button.
2. Press either of the two buttons below the desired
category label to immediately tune to the rst
XM™ station associated with that category.3. Turn the
fknob, 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 your
favorites again.
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. Turn the
fknob 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 displays.
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.
You cannot remove or add categories while the vehicle
is moving faster than 5 mph (8 km/h).
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