2002 GMC ENVOY reset

3-24
Setting the Tone (Bass/Treble)
P
-TYPE LIST AUDIO: To adjust the bass, press and
release the P
-TYPE LIST AUDIO control until BASS
appears on the display. Then turn the control clockwise
to increase bass and counterclockwise to decrease bass.
The display will show the bass level.
To set the bass to the middle position, press and hold the
P
-TYPE LIST AUDIO control. The radio will produce
one beep and set the display level to the middle position.
To set all tone and speaker controls to the middle
position, press and hold the P
-TYPE LIST AUDIO
control when no tone or speaker control is active. The
radio will produce one beep and display ALL with the
level display in the middle position.
To adjust the treble, press and release the P
-TYPE
LIST AUDIO control until TREB appears on the
display. Turn the control clockwise to increase treble
and counterclockwise to decrease treble. The display
will show the treble level. If a station is weak or noisy,
you may want to decrease the treble.
To set treble to the middle position, press and hold
P
-TYPE LIST AUDIO control. The radio will produce
one beep and set the display level to the middle position.To set all tone and speaker controls to the middle
position, press and hold the P
-TYPE LIST AUDIO
control when no tone or speaker control is active. The
radio will produce one beep and display ALL with the
level display in the middle position.
When you use this control, the radio's AUTO TONE
setting will return to manual.
AUTO TONE: This feature allows you to choose preset
bass and treble equalization settings designed for rock,
news, pop, jazz, classical and country stations.
Each time you press the AUTO TONE button, this
feature will change to one of the preset equalization
settings previously listed.
To return the bass and treble to the manual mode, press
and release the P
-TYPE LIST AUDIO control. See
ªSetting Preset Stationsº listed previously to program
the auto tone feature.
If your vehicle has the Bose radio, your audio system
allows you to choose from four different equalization
settings: talk, driver, normal and spatial. These settings
can be used while listening to the radio, the cassette tape
or CD player.

3-25
Press the AUTO TONE button to scroll through your
choices. Select TALK when listening to non
-musical
material such as news, talk shows, sports broadcasts and
books on tape. This setting makes spoken words sound
very clear. Select DRIVER to give the driver the best
possible sound qualities. Select NORMAL to enhance
the stereo effect. Select SPATIAL to make the listening
space seem larger. When NORMAL is displayed, the
system will provide the best overall Bose performance.
The radio saves separate AUTO TONE settings for each
preset and source.
Adjusting the Speakers (Balance/Fade)
To adjust the balance, press and release the P
-TYPE
LIST AUDIO control until BAL appears on the display.
Turn the control clockwise to move the sound to the
right speakers and counterclockwise to move the sound
to the left speakers.
The middle position balances the sound between the
speakers. To set the balance to the middle position, press
the P
-TYPE LIST AUDIO control briefly, then press it
again and hold it until the radio emits one beep. The
balance will be set to the middle position and the display
will show the speaker balance.To set all tone and speaker controls to the middle
position, press and hold the P
-TYPE LIST AUDIO
control when no tone or speaker control is active. The
radio will produce one beep and display ALL with the
level display in the middle position.
To adjust the fade, press and release the P
-TYPE LIST
AUDIO control until FADE appears on the display. Turn
the control clockwise to move the sound to the front
speakers and counterclockwise to move the sound to the
rear speakers.
The middle position balances the sound between the
speakers. To set the fade to the middle position, press
the P
-TYPE LIST AUDIO control briefly, then press it
again and hold it until the radio emits one beep. The
fade will be set to the middle position and the display
will show the speaker balance.
To set all tone and speaker controls to the middle
position, press and hold the P
-TYPE LIST AUDIO
control when no tone or speaker control is active. The
radio will produce one beep and display ALL with the
level display in the middle position.

3-31
(CLEAN): If this message appears on the display, the
cassette tape player needs to be cleaned. It will still play
tapes, but you should clean it as soon as possible to
prevent damage to the tapes and player. See ªCare of
Your Cassette Tape Playerº in the Index. After you clean
the player, press and hold the cassette eject button for
five seconds to reset the CLEAN indicator. The radio
display will display CLEANED to show the indicator
was reset.
If any error occurs repeatedly or if an error can't be
corrected, please contact your dealer.
Tight/Loose Tape Sensor Defeat
With the radio off and the ignition on, press and hold the
TAPE CD button to disable the tight/loose tape sensing
feature to enable play of some tape head cleaners and
portable CD adapters. The radio will display READY
and flash the cassette icon. The tight/loose tape sensing
feature will then be disabled until the next time a
cassette is ejected.Playing a Compact Disc
Insert a disc partway into the slot, label side up. The
player will pull it in and the disc should begin playing.
The display will show the CD symbol. If you want to
insert a compact disc with the ignition off, first press
TUNE DISP or EJT.
If an error appears on the display, see ªRadio/Compact
Disc Messagesº later in this section.
1 PREV: Press this button or the left SEEK PSCAN
arrow to go to the previous track if the current selection
has been playing for less than eight seconds. If the
1 PREV button or the left SEEK PSCAN arrow is
pressed and the current selection has been playing for
more than eight seconds, it will go to the beginning of
the current selection. TRACK and the track number will
appear on the display. If you hold the 1 PREV button or
left SEEK PSCAN arrow or press it more than once, the
player will continue moving back through the disc. The
sound will mute while seeking.
2 NEXT: Press this button or the right SEEK PSCAN
arrow to go to the next track. TRACK and the track
number will appear on the display. If you hold the
2 NEXT button or the right SEEK PSCAN arrow
or press it more than once, the player will continue
moving forward through the disc. The sound will mute
while seeking.

3-34
AUTO VOL: Your system has a feature called
automatic volume. With this feature, your audio system
adjusts automatically to make up for road and wind
noise as you drive. Set the volume at the desired level.
Press this button to select MIN, MED, MAX or OFF.
Each choice allows for more volume compensation at
faster vehicle speeds. Then, as you drive, automatic
volume automatically increases the volume, as
necessary, to overcome noise at any particular speed.
The volume level should always sound the same to you
as you drive. If you don't want to use automatic volume,
select OFF.
If your vehicle has the Bose radio, your audio system
monitors the noise inside your vehicle. Then,
automatically adjusts the volume so that it always
sounds the same to you. To use automatic volume, press
the AUTO VOL button until AVOL ON appears on the
display. To turn automatic volume off, press the AUTO
VOL button until AVOL OFF appears on the display.
Finding a Station
AM FM: Press this button to switch between AM, FM1
and FM2. The display shows your selection.
TUNE RCL P
-TYPE: Turn this control to select
radio stations.

SEEK SCAN: To seek, press the right or left
arrow briefly to go to the next or previous station and
stay there. The sound will mute while seeking.
To scan, press and hold either SEEK SCAN arrow for
two seconds until SC appears on the display and you
hear a beep. Use scan to listen to stations for a few
seconds. The radio will go to a station, stop for a few
seconds, then go on to the next station. Press either
SEEK SCAN arrow again to stop scanning. If you press
SEEK SCAN for more than four seconds, the radio
will change to preset scan mode. The sound will mute
while scanning.
To scan your preset pushbuttons, press and hold either
SEEK SCAN arrow for more than four seconds,
PRESET SCAN will appear on the display. You will
hear a double beep and the P will blink with the preset
number. Use PRESET SCAN to listen to each of your
preset stations for a few seconds. The radio will go to
a preset station stored on your pushbuttons, stop for a
few seconds, then go on to the next preset station.
Press either SEEK SCAN arrow again to stop
scanning presets.

3-35
Setting Preset Stations
The six numbered pushbuttons let you return to
your favorite stations. You can set up to 18 stations
(six AM, six FM1 and six FM2) by performing the
following steps:
1. Turn the radio on.
2. Press AM FM to select the band.
3. Tune in the desired station.
4. Press AUTO EQ to select the equalization that best
suits the type of station selected.
5. Press and hold one of the six numbered pushbuttons
until you hear a beep. Whenever you press that
numbered pushbutton, the station you set will return
and the equalization that you selected will also be
automatically selected for that pushbutton.
6. Repeat the steps for each pushbutton.Setting the Tone (Bass/Treble)
AUDIO: To set the bass, press the AUDIO control until
BASS appears on the display. Turn the control to
increase or decrease bass. When you use this control, the
radio's tone setting will switch to custom.
To set the bass to the middle position, select BASS and
press and hold the AUDIO control. The radio will
produce one beep and set the display level to zero. To
set all tone and speaker controls to the middle position,
press and hold the AUDIO control when no tone or
speaker control is active. The radio will produce one
beep and CENTERED will appear on the display.
To set the midrange, press the AUDIO control until MID
appears on the display. Turn the control to increase or
decrease midrange. When you use this control, the
radio's tone setting will switch to custom.
To set the midrange to the middle position, select MID
and press and hold the AUDIO control. The radio will
produce one beep and set the display level to zero.

3-36
To set all tone and speaker controls to the middle
position, press and hold the AUDIO control when no
tone or speaker control is active. The radio will produce
one beep and CENTERED will appear on the display.
To set the treble, press the AUDIO control until TREB
appears on the display. Turn the control to increase or
decrease treble. When you use this control, the radio's
tone setting will switch to custom. If a station is weak
or noisy, you may want to decrease the treble.
To set treble to the middle position, select TREB and
press and hold the AUDIO control. The radio will
produce one beep and set the display level to zero.
To set all tone and speaker controls to the middle
position, press and hold the AUDIO control when no
tone or speaker control is active. The radio will produce
one beep and CENTERED will appear on the display.
AUTO EQ: This feature allows you to choose preset
bass, midrange and treble equalization settings designed
for country, jazz, talk, pop, rock and classical stations.
The setting last chosen will appear on the display when
you first press AUTO EQ. Each time you press this
button, another setting will appear on the display and
AUTO EQ will switch to one of the preset settings
previously listed.To return to the manual mode (CUSTOM), press the
AUTO EQ button until CUSTOM appears on the
display. Then you will be able to manually adjust the
bass, midrange and treble using the AUDIO button. To
find out how to do this, see Setting the Tone following.
If your vehicle has the Bose radio, your audio system
allows you to choose from four different equalization
settings: talk, driver, normal and spatial. These settings
can be used while listening to the radio or the CD player.
Press the AUTO EQ button to scroll through your
choices. Select TALK when listening to non
-musical
material such as news, talk shows, sports broadcasts and
books on tape. This settings makes spoken words sound
very clear. Select DRIVER to give the driver the best
possible sound qualities. Select NORMAL to enhance
the stereo effect. Select SPATIAL to make the listening
space seem larger. When AUTO EQ NORMAL is
displayed, the system will provide the best overall Bose
performance. The radio saves separate AUTO EQ
settings for each preset and source.

3-38
P-TYPE: This button is used to turn on and off
Program Type (PTY) selections. PTY and the light next
to the button will turn on. The last selected PTY will
appear on the display for five seconds.
Turn the TUNE RCL P
-TYPE control to select the PTY
you want to listen to. Press the SEEK SCAN arrows to
find radio stations for the PTY you want to listen to.
The last PTY selected will be used for seek or scan
modes. If a station with the selected PTY is not found,
NONE FOUND will appear on the display. If both
P
-TYPE and TRAF are on, the radio will search
for stations with traffic announcements and the
selected PTY.
To use the P
-TYPE interrupt feature, press and hold
the P
-TYPE button until you hear a beep on the
PTY you want to interrupt on. When you are listening
to a compact disc, the last selected RDS FM station
will interrupt play if that selected program type format
is broadcast.
AM FM: The AM FM button operates the alternate
frequency feature. Alternate frequency allows the radio to
switch to a stronger station with the same program type.Press and hold AM FM for two seconds to turn alternate
frequency on. AF ON will appear on the display. The
radio may switch to stronger stations. Press and hold
AM FM again for two seconds to turn alternate
frequency off. AF OFF will appear on the display.
The radio will not switch to other stations.
Setting PTY Preset Stations
The six numbered pushbuttons let you return to your
favorite Program Types (PTYs). These buttons have
factory PTY presets. You can set up to 12 PTYs
(six FM1 and six FM2) by performing the
following steps:
1. Press AM FM to select FM1 or FM2.
2. Press P-TYPE, if it is not already on.
3. Turn the TUNE RCL P
-TYPE control to select
a PTY.
4. Press and hold one of the six numbered pushbuttons
until you hear a beep. Whenever you press that
numbered pushbutton, the PTY you set will return.
5. Repeat the steps for each pushbutton.

3-41
Playing a Specific Loaded Compact Disc
For every CD loaded, a number will appear on the radio
display. To play a specific CD, first press the CD AUX
button to start playing a CD. Then press the numbered
pushbutton that corresponds to the CD you want to play.
A small bar will appear under the CD number that is
playing, and the track number will appear.
If an error appears on the radio display, see ªCompact
Disc Messagesº later in this section.
LOAD CD
: This button will eject a disc or discs, if
you have multiple discs loaded. To eject a disc or discs
from the disc player perform one of the following steps:

Press and release the LOAD CD eject button to eject
the disc that is currently playing, or

to eject all of the discs, press the LOAD CD eject
button for two seconds, you will hear a beep, and
the light will flash to let you know when a disc is
being ejected.
When the LOAD CD eject button is pressed, the
receiver will eject the disc and REMOVE CD will be
displayed. You can now remove the disc. If the disc
is not removed, after 25 seconds, the disc will be
automatically pulled back into the receiver.If you try to push the disc back into the receiver, before
the 25 second time period is complete, the receiver will
sense an error and will try to eject the disc several times
before stopping. Do not repeatedly press the LOAD CD
eject button to eject a disc after you have tried to push it
in manually. The receivers 25
-second eject timer will
reset at each press of eject, which will cause the receiver
to not eject the disc until the 25
-second time period
has elapsed.
Once the player stops and the disc is ejected, remove the
disc. After removing the disc, press the VOLUME PWR
control off and then on again. This will clear the
disc
-sensing feature and enable discs to be loaded into
the player again.

REV: Press and hold this button to reverse quickly
within a track. Release it to play the passage. You will
hear sound at a reduced volume. The display will show
elapsed time.
FWD : Press and hold this button to advance quickly
within a track. Release it to play the passage. You will
hear sound at a reduced volume. The display will show
elapsed time.