GMC 2007 Envoy Denali Owner's Manual page 242

The radio saves separate AUTO EQ settings for
each preset and source.
If the radio has the Bose
EQ settings are either CUSTOM or TALK.
Adjusting the Speakers (Balance/Fade)
AUDIO: To adjust the balance between the
right and the left speakers, push and release the
AUDIO knob until BAL (balance) displays.
Turn the knob to move the sound toward the right
or the left speakers.
To adjust the fade between the front and the rear
speakers, push and release the AUDIO knob
until FADE displays. Turn the knob to move the
sound toward the front or the rear speakers.
To adjust the balance or fade to the middle position
while it is displayed, push the AUDIO knob and hold
it until the radio produces one beep. The balance or
fade adjusts to the middle position.
To adjust all tone and speaker controls to the
middle position, push and hold the AUDIO knob
when no tone or speaker control displays. ALL
CENTERED displays, a beep sounds, and the
display level adjusts to the middle position.
242
®
audio system, the AUTO
Finding a Program Type (PTY) Station
(RDS and XM™)
To select and find a desired PTY perform the
following:
1. Press the TYPE button to activate program
type select mode. TYPE and a PTY displays.
2. Turn the TYPE knob or press and release the
TYPE button to select a PTY.
3. Once the desired PTY is displayed, press and
release either the TYPE or the SEEK arrows
to select and to take you to the PTY's first
station.
4. To go to another station within that PTY,
press the TYPE button then, press either
the TYPE or the SEEK arrows once.
5. Press either the TYPE or the SEEK arrows
twice to exit program type select mode.
If the radio cannot find the desired program type,
NONE displays and the radio returns to the
last station you were listening to.