2004 CHEVROLET BLAZER ECO mode

Security Light
This light will come on
briey when you turn the
key toward START.
The light will stay on until
the engine starts.
If the light ashes, the Passlock
®system has entered a
tamper mode. If the vehicle fails to start, seePasslock®
on page 2-18.
If the light comes on continuously while driving and
stays on, there may be a problem with the Passlock
®
system. Your vehicle will not be protected by Passlock®,
and you should see your dealer.
Also, seeContent Theft-Deterrent on page 2-16for
additional information regarding the SECURITY light.
Service Four-Wheel Drive
Warning Light
If you have this light, it
should come on briey
when you turn on the
ignition, as a check
to show you it is working.
The SERVICE 4WD light comes on to indicate that
there may be a problem with the four-wheel drive system
and service is required. Malfunctions can be indicated
by the system before any problem is apparent,
which may prevent serious damage to the vehicle. This
system is also designed to assist your service
technician in correctly diagnosing a malfunction.
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Audio System(s)
Notice:Before adding any sound equipment to
your vehicle, like a tape player, CB radio, mobile
telephone, or two-way radio, make sure that it can
be added by checking with your dealer. Also,
check federal rules covering mobile radio and
telephone units. If sound equipment can be added,
it is very important to do it properly. Added
sound equipment may interfere with the operation
of your vehicle’s engine, radio, or other systems,
and even damage them. Your vehicle’s systems may
interfere with the operation of sound equipment
that has been added improperly.
Figure out which audio system is in your vehicle, nd
out what your audio system can do, and how to operate
all of its controls.Your vehicle has a feature called Retained Accessory
Power (RAP). With RAP, the audio system can be
played even after the ignition is turned off. See
“Retained Accessory Power (RAP)” underIgnition
Positions on page 2-19.
Setting the Time for Radios without
Radio Data Systems (RDS)
Press and hold HR until the correct hour appears on the
display. Press and hold MIN until the correct minute
appears on the display. There is an initial two-second
delay before the clock goes into time-set mode.
Display the time with the ignition off, by pressing RCL,
HR, or MIN.
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Setting the Tone (Bass/Treble)
AUDIO:To adjust bass and treble, press and release
AUDIO until BAS or TRE appears on the display.
Then press and hold the up or the down arrow to
increase or to decrease. If a station is weak or noisy,
decrease the treble.
To adjust bass or treble to the middle position, select
BAS or TRE. Then press and hold AUDIO for more than
two seconds until you hear a beep. B and a zero or T
and a zero will appear on the display.
To adjust both tone controls and both speaker controls
to the middle position, rst end out of audio mode
by pressing another button, causing the radio to perform
that function or by waiting ve seconds for the display
to return to time of day. Then press and hold AUDIO for
more than two seconds until you hear a beep. CEN
will appear on the display.
Adjusting the Speakers (Balance/Fade)
AUDIO:To adjust the balance between the right
and the left speakers, press and release AUDIO until
BAL appears on the display. Then press and hold the up
or the down arrow to move the sound toward the right
or the left speakers.
To adjust the fade between the front and the
rear speakers, press and release AUDIO until
FAD appears on the display. Then press andhold the up or the down arrow to move the
sound toward the front or the rear speakers.
To adjust balance or fade to the middle position, select
BAL or FAD. Then press and hold AUDIO for more than
two seconds until you hear a beep. L and a zero or F and
a zero will appear on the display.
To adjust both tone controls and both speaker controls to
the middle position, rst end out of audio mode by
pressing another button, causing the radio to perform that
function or by waiting ve seconds for the display to
return to time of day. Then press and hold AUDIO for
more than two seconds until you hear a beep. CEN will
appear on the display.
Fade may not be available if the vehicle is a regular
cab model.
Radio Messages
CAL (Calibrated):The audio system has been
calibrated for your vehicle from the factory. If CAL
appears on the display it means that the radio has not
been congured properly for your vehicle and must
be returned to the dealer for service.
LOC (Locked):This message is displayed when the
THEFTLOCK
®system has locked up. Take the vehicle
to the dealer for service.
If any error occurs repeatedly or if an error cannot be
corrected, contact your dealer.
3-40

SCAN:You can scan the stations within a PTY by
performing the following:
1. Turn the P-TYPE knob to activate program type
select mode. TYPE and a PTY will appear on the
display.
2. Turn the P-TYPE knob to select a PTY.
3. Once the desired PTY is displayed, press either
SCAN arrow, and the radio will begin scanning
the stations in the PTY.
4. Press either SCAN arrow to stop at a station.
If both PTY and TRAF are on, the radio will scan for
stations with the selected PTY and traffic
announcements.
BAND (Alternate Frequency):Alternate frequency
allows the radio to switch to a stronger station with the
same program type. To turn alternate frequency on,
press and hold BAND for two seconds. AF ON will
appear on the display. The radio may switch to stronger
stations.
To turn alternate frequency off, press and hold BAND
again for two seconds. AF OFF will appear on the
display. The radio will not switch to other stations.Setting Preset PTYs
The six numbered pushbuttons let you return to your
favorite PTYs. These pushbuttons have factory
PTY presets. You can set up to 12 PTYs (six FM1
and six FM2) by performing the following steps:
1. Press BAND to select FM1 or FM2.
2. Turn the P-TYPE knob to activate program type
select mode. TYPE and a PTY will appear on the
display.
3. Turn the P-TYPE knob 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.
3-45

Finding a Program Type (PTY) Station
To select and nd a desired PTY perform the
following:
1. Turn the P-TYPE knob to activate program type
select mode. TYPE and a PTY will appear on the
display.
2. Turn the P-TYPE knob to select a PTY.
3. Once the desired PTY is displayed, press the
SEEK TYPE button or either SEEK arrow to
take you to the PTY’s rst station.
4. If you want to go to another station within that PTY
and the PTY is displayed, press the SEEK TYPE
button once. If the PTY is not displayed, press
the SEEK TYPE button twice to display the PTY and
then to go to another station.
5. Press P-TYPE to exit program type select mode.
If PTY times out and is no longer on the display,
go back to Step 1.
If both PTY and TRAF are on, the radio will search for
stations with the selected PTY and traffic
announcements.
If the radio cannot nd the desired program type, NONE
will appear on the display and the radio will return to
the last station you were listening to.SCAN:You can scan the stations within a PTY by
performing the following:
1. Turn the P-TYPE knob to activate program type
select mode. TYPE and a PTY will appear on the
display.
2. Turn the P-TYPE knob to select a PTY.
3. Once the desired PTY is displayed, press either
SCAN arrow, and the radio will begin scanning
the stations in the PTY.
4. Press either SCAN arrow to stop at a station.
If both PTY and TRAF are on, the radio will scan for
stations with the selected PTY and traffic
announcements.
BAND (Alternate Frequency):Alternate frequency
allows the radio to switch to a stronger station with the
same program type. To turn alternate frequency on,
press and hold BAND for two seconds. AF ON will
appear on the display. The radio may switch to stronger
stations.
To turn alternate frequency off, press and hold BAND
again for two seconds. AF OFF will appear on the
display. The radio will not switch to other stations.
3-53

Setting Preset PTYs
The six numbered pushbuttons let you return to your
favorite PTYs. These pushbuttons have factory
PTY presets. You can set up to 12 PTYs (six FM1
and six FM2) by performing the following steps:
1. Press BAND to select FM1 or FM2.
2. Turn the P-TYPE knob to activate program type
select mode. TYPE and a PTY will appear on the
display.
3. Turn the P-TYPE knob 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.
RDS Messages
ALERT!:Alert warns of local or national emergencies.
When an alert announcement comes on the current
radio station, ALERT! will appear on the display. You will
hear the announcement, even if the volume is muted
or a cassette tape or CD is playing. If the cassette tape
or CD is playing, play will stop during the
announcement. You will not be able to turn off alert
announcements.ALERT! will not be affected by tests of the emergency
broadcast system. This feature is not supported by
all RDS stations.
INFO (Information):If the current station has a
message, the information symbol will appear on the
display. Press this button to see the message. The
message may display the artist, song title, call in phone
numbers, etc.
If the whole message is not displayed, parts of the
message will appear every three seconds. To scroll
through the message at your own speed, press
the INFO button repeatedly. A new group of words will
appear on the display with each press. Once the
complete message has been displayed, the information
symbol will disappear from the display until another
new message is received. The old message can
be displayed by pressing the INFO button. You can
view an old message until a new message is received
or a different station is tuned to.
When a message is not available from a station, NO
INFO will appear on the display.
3-54

1 PREV (Previous):Your tape must have at least three
seconds of silence between each selection for previous
to work. Press this pushbutton to go to the previous
selection on the tape if the current selection has been
playing for less than three seconds. If pressed when the
current selection has been playing from 3 to 13 seconds,
it will go to the beginning of the previous selection or
the beginning of the current selection, depending upon
the position on the tape. If pressed when the current
selection has been playing for more than 13 seconds, it
will go to the beginning of the current selection.
SEEK and a negative number will appear on the display
while the cassette player is in the previous mode.
Pressing this pushbutton multiple times will increase the
number of selections to be searched back, up to -9.
2 NEXT:Your tape must have at least three seconds of
silence between each selection for next to work.
Press this pushbutton to go to the next selection on the
tape. If you press the pushbutton more than once,
the player will continue moving forward through the tape.
SEEK and a positive number will appear on the
display.
3 REV (Reverse):Press this pushbutton to reverse the
tape rapidly. The radio will play while the tape
reverses. The station frequency and REV will appear on
the display. Press this pushbutton again to return to
playing speed. You may select stations during reverse
operation by using TUNE and SEEK.4 FWD (Forward):Press this pushbutton to advance
the tape rapidly. The radio will play while the tape
advances. The station frequency and FWD will appear
on the display. Press this pushbutton again to return
to playing speed. You may select stations during forward
operation by using TUNE and SEEK.
5 SIDE:Press this pushbutton to play the other side of
the tape.
qSEEKr:The right arrow is the same as the
NEXT pushbutton, and the left arrow is the same as the
PREV pushbutton. If you hold either arrow or press it
more than once, the player will continue moving forward
or backward through the tape. SEEK and a positive
or negative number will appear on the display.
qSCANr:Press and hold either SCAN arrow for
more than two seconds until SCAN appears on the
display and you hear a beep. Use this feature to listen
to 10 seconds of each selection on the current side
of the tape. Press either SCAN arrow again, to
stop scanning. Your tape must have at least three
seconds of silence between each selection for scan
to work.
BAND:Press this button to listen to the radio when a
tape is playing. The inactive tape will remain safely
inside the radio for future listening.
3-56

Finding a Program Type (PTY) Station
To select and nd a desired PTY perform the
following:
1. Press the P-TYPE button to activate program type
select mode. P-TYPE and the last selected PTY will
appear on the display.
2. Turn the P-TYPE knob to select a PTY.
3. Once the desired PTY is displayed, press either
SEEK arrow to take you to the PTY’s rst station.
4. If you want to go to another station within that PTY
and the PTY is displayed, press either SEEK arrow
once. If the PTY is not displayed, press either
SEEK arrow twice to display the PTY and then to
go to another station.
5. Press P-TYPE to exit program type select mode.
If PTY times out and is no longer on the display,
go back to Step 1.
If both P-TYPE and TRAF are on, the radio will search
for stations with the selected PTY and traffic
announcements.
To use the PTY interrupt feature, press and hold the
P-TYPE button until you hear a beep on the PTY
you want to interrupt with. When selected, an asterisk
will appear beside that PTY on the display. You
may select multiple interrupts if desired. When you arelistening to a CD, the last selected RDS station will
interrupt play if that selected program type format
is broadcast.
SCAN:You can also scan through the stations within a
PTY by performing the following:
1. Press the P-TYPE button to activate program type
select mode. P-TYPE and the last selected PTY will
appear on the display.
2. Turn the P-TYPE knob to select a PTY.
3. Once the desired PTY is displayed, press and hold
either SCAN arrow, and the radio will begin
scanning the stations in the PTY.
4. Press either SCAN arrow to stop at a station.
If both P-TYPE and TRAF are on, the radio will scan for
stations with the selected PTY and traffic
announcements.
BAND (Alternate Frequency):Alternate frequency
allows the radio to switch to a stronger station with the
same program type. To turn alternate frequency on,
press and hold BAND for two seconds. AF ON will
appear on the display. The radio may switch to stronger
stations.
To turn alternate frequency off, press and hold BAND
again for two seconds. AF OFF will appear on the
display. The radio will not switch to other stations.
3-64