Pontiac Aztek 2003 Owner's Manual page 191

To adjust all of the tone controls to the middle position,
press and hold TONE until FLAT appears on the
display.
EQ (Equalizer): Press this button to select customized
bass, mid and treble equalization settings.
You can set up to six customized equalization settings
by performing the following steps:
1. Turn the radio on.
2. Use the TONE button and the SELECT knob to
create the desired equalization.
3. Press and hold the EQ button for two seconds.
SELECT EQ # will appear on the display and the
EQ symbol will flash.
4. Press EQ or turn the SELECT knob to select the
desired EQ number.
5. Press and hold the EQ button or push the SELECT
knob to store the equalization setting and the
number. You will hear a beep and EQ SAVED will
appear on the display.
6. Repeat the steps for the other EQ settings and
numbers.
EQ 5 has been programmed at the factory for use with
talk radio, but it can be preset to a different tone.
Adjusting the Speakers (Balance/Fade)
BAL (Balance): Press and release this button until
BAL appears on the display. The SELECT LED indicator
will light to show that the speakers can be adjusted.
Turn the SELECT knob to move the sound toward the
left or the right speakers.
FADE: Press and release this button until FADE
appears on the display. The SELECT LED indicator will
light to show that the speakers can be adjusted.
Turn the SELECT knob to move the sound toward the
front or the speakers.
Pressing and holding the BAL FADE button for two
seconds will return all speaker settings to the middle
position.
Finding a PTY Station (RDS and XM™)
To select and find a desired PTY perform the following:
1. Press PROG TYPE. The PTY symbol will be
displayed on the screen.
2. Select a category by turning the SELECT knob.
3. Once the desired category is displayed, press either
SEEK arrow to select the category and take you to
the category's first station.
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