ignition CHEVROLET IMPALA 2002 8.G Workshop Manual

3-8
AUTO VOL (Automatic Volume): With automatic
volume, 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 LOW, MEDIUM or HIGH. AVOL will appear on
the display. The volume level should always sound the
same to you as you drive. Each higher volume setting
allows for more volume compensation at faster vehicle
speeds. Then as you drive, automatic volume increases
the volume as necessary to overcome noise at any speed.
NONE will appear on the display if the radio cannot
determine the vehicle speed. If you don't want to use
automatic volume, select OFF.
DISP (Display): Pressing this knob will display
the station being played or it will display the clock.
Clock display is available with the ignition turned off.Finding a Station
BAND: Press this button to switch between AM,
FM1 and FM2. The display will show your selection.
TUNE: Turn this knob to choose radio stations.
SEEK
: Press the right arrow to seek to the next
or previous station and stay there. The radio will seek to
stations with a strong signal only. The sound will mute
while seeking.
PSCAN
(Preset Scan): Press and hold one of
the arrows for more than two seconds and the radio
will produce one beep. The radio will scan to the first
preset station stored on your pushbuttons, play for a
few seconds, then go on to the next preset station.
Press one of the arrows or one of the pushbuttons again
to stop scanning. SCAN will be displayed whenever
the tuner is in the preset scan mode. The channel
number (P1 through P6) will appear with the frequency.
In FM mode, this function will scan through the current
band such as FM1 or FM2. The radio will scan preset
stations with a strong signal only. The sound will mute
while scanning.

3-11
Finding RDS Stations
To find an RDS station perform the following steps:
1. Push the SEEK TYPE button or turn the P
-TYPE
LIST knob to display the program type list.
2. Turn the knob either clockwise or counterclockwise
to select a program type. The list is alphabetical.
If you select ANY TYPE your radio will seek to
the first PTY available.
3. Push the SEEK TYPE button to activate search.
DISP (Display): Press this knob to change what appears
on the display while using RDS. Pressing this knob will
also display an RDS station frequency or program type
when the radio is on. The display options are station
name, station frequency, PTY and the name of the
program (if available). Pressing and holding this knob
will activate the RDS default display.Finding a PTY Preset Stations
P
-TYPE LIST (Program Type): Turn this knob
clockwise or counterclockwise to select the Program
Type (PTY) you want to listen to. TYPE and a PTY will
appear on the display. Press the SEEK TYPE button and
the radio will seek to the first RDS broadcaster of the
selected program type. If the radio cannot find the desired
program type, NONE will appear on the display and the
radio will return to the last station you were listening to.
BAND (Alternate Frequency): Alternate frequency
allows the radio to switch to a stronger station with the
same program type. Press and hold BAND 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 BAND again for two seconds to
turn alternate frequency off. AF OFF will appear on the
display. The radio will not switch to other stations. When
you turn the ignition off and then on again, the alternate
frequency feature will automatically be turned on.
SEEK TYPE: Press this button to go to a station with
the last selected PTY; TYPE and the last selected PTY
will appear on the display, if it is not already showing.
Press SEEK TYPE a second time to seek. If a station
with the selected PTY is not found, the radio will return
to the original station and display NONE.

3-13
When a traffic announcement comes on the current
radio station, you will hear it, even if the volume is
muted or a cassette tape is playing. The traffic symbol
and TRAFFIC will appear on the display while the
traffic announcement plays. If the cassette tape player
was being used, the tape will stay in the player and
resume play at the point where it stopped.
Radio Messages
CAL ERR (Calibration Error): This message is
displayed when the radio has not been calibrated
properly for the vehicle. You must return to the
dealership for service.
LOCKED: This message is displayed when the
THEFTLOCK

system has locked up. You must
return to the dealership for service.Playing a Cassette Tape
Your tape player is built to work best with tapes that are
up to 30 to 45 minutes long on each side. Tapes longer
than that are so thin they may not work well in this
player. The longer side with the tape visible should face
to the right. If the ignition is on and the radio is off,
the tape can be inserted and will begin playing. A tape
symbol is shown on the display whenever a tape is
inserted. If you hear nothing but a garbled sound, the
tape may not be in squarely. Press EJT to remove the
tape and start over. If you want to insert a tape when the
ignition is off, first press EJT or DISP.
While the tape is playing, use VOL, TUNE, SEEK and
PSCAN controls just as you do for the radio. The radio
will display TAPE and an arrow showing which side of
the tape is playing.
If an error appears on the display, see ªCassette Tape
Messagesº later in this section.

3-17
AUTO VOL (Automatic Volume): With automatic
volume, 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 LOW, MEDIUM or HIGH. AVOL will appear on
the display. The volume level should always sound the
same to you as you drive. Each higher volume setting
allows for more volume compensation at faster vehicle
speeds. Then as you drive, automatic volume increases
the volume as necessary to overcome noise at any speed.
NONE will appear on the display if the radio cannot
determine the vehicle speed. If you don't want to use
automatic volume, select OFF.
DISP (Display): Press this knob when the ignition is
off to display the clock.Finding a Station
BAND: Press this button to switch between AM,
FM1 and FM2. The display shows your selection.
 TUNE
: Turn this knob to choose radio stations.
 SEEK
: Press the right or left arrow to seek to
the next or previous station and stay there. The radio
will seek to stations with a strong signal only. The sound
will mute while seeking.
 PSCAN
(Preset Scan): Press and hold one of
the arrows for more than two seconds and the radio will
produce one beep. The radio will scan to the first preset
station stored on your pushbuttons, play for a few
seconds and flash the station frequency, then go on to
the next preset station. Press one of the arrows or one of
the pushbuttons again to stop scanning. SCAN will be
displayed whenever the tuner is in the preset scan mode.
The channel number (P1 through P6) will appear with
the frequency. In FM mode, this function will scan
through the current band such as FM1 or FM2.
The radio will scan preset stations with a strong
signal only. The sound will mute while scanning.

3-20
When you are tuned to an RDS station, the station
name will appear on the display, instead of the
frequency. Most RDS stations provide their station
name, the time of day and a Program Type (PTY) for
their current programming. Some stations also provide
the name of the current program.
Finding RDS Stations
To find RDS stations, perform the following steps:
1. Press the SEEK TYPE button or turn the P
-TYPE
LIST knob to display the program type list.
2. Turn the knob either clockwise or counterclockwise
to select a program type. The list is alphabetical.
If you select ANY TYPE your radio will seek to
the first PTY available.
3. Press the SEEK TYPE button to activate search.
DISP (Display): Press this knob to change what appears
on the display while using RDS. Pressing this knob will
also display an RDS station frequency or program type
when the radio is on. The display options are station
name, station frequency, PTY and the name of the
program (if available). Pressing and holding this knob
will activate the RDS default display.Finding a PTY Preset Station
P
-TYPE LIST (Program Type): Turn this knob
clockwise or counterclockwise to select the Program
Type (PTY) you want to listen to. TYPE and a PTY
will appear on the display. Press the SEEK TYPE button
and the radio will seek to the first RDS broadcaster of
the selected program type. If the radio cannot find the
desired program type, NONE will appear on the display
and the radio will return to the last station you were
listening to.
BAND (Alternate Frequency): Alternate frequency
allows the radio to switch to a stronger station with
the same program type. Press and hold BAND 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 BAND again for two seconds
to turn alternate frequency off. AF OFF will appear
on the display. The radio will not switch to other
stations. When you turn the ignition off and then on
again, the alternate frequency feature will automatically
be turned on.

3-22
TRAF (Traffic): Press this button to receive traffic
announcements. If the current station does not broadcast
traffic announcements, the radio will seek to a station
that does. The traffic symbol will flash on the display.
When the radio finds a station that broadcasts traffic
announcements, it will stop. If no station is found,
NO TRAF will appear on the display.
Your radio can be programmed to interrupt the playback
of a CD or FM station by enabling the traffic interrupt
feature. Press the TRAF button once to seek to an RDS
station that supports the traffic interrupt feature if the
current station does not. The traffic symbol will flash
on the display when seeking for a station that supports
traffic interrupt. When the traffic interrupt feature is on,
TRAF will appear on the display.
When a traffic announcement comes on the current
radio station, you will hear it, even if the volume is
muted or a compact disc is playing. The traffic symbol
and TRAFFIC will appear on the display while the
traffic announcement plays. If the compact disc player
was being used, the compact disc will stay in the player
and resume play at the point where it stopped.Radio Messages
CAL ERR (Calibration Error): This message is
displayed when the radio has not been calibrated
properly for the vehicle. You must return to the
dealership for service.
LOCKED: This message is displayed when the
THEFTLOCK

system has locked up. You must
return to the dealership for service.
If any error occurs repeatedly or if an error can't be
corrected, contact your dealer.
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 DISP or EJT.
If an error appears on the display, see ªCompact Disc
Messagesº later in this section.

3-24
DISP (Display): Press this knob to see how long the
current track has been playing. ET and the elapsed time
will appear on the display. To change what is normally
shown on the display (track or elapsed time), press the
knob until you see the display you want, then hold the
knob for two seconds. The radio will produce one beep.
BAND: Press this button to listen to the radio
when a CD is playing. The CD will stop but remain
in the player.
CD AUX (Auxiliary): Press this button to play a CD
when listening to the radio. The inactive CD will remain
safely inside the radio for future listening.
EJT (Eject): Press this button to stop a CD when
it is playing or to eject a CD when it is not playing.
Eject may be activated with either the ignition or radio
off. CDs may be loaded with the radio and ignition off
if this button is pressed first.Compact Disc Messages
If the disc comes out, it could be for one of the
following reasons:

If you're driving on a very rough road. When the
road becomes smooth the disc should play.

If it's very hot. When the temperature returns to
normal, the disc should play.

The disc is upside down.

It is dirty, scratched or wet.

The air is very humid. (If so, wait about an hour
and try again.)

If the CD is not playing correctly, for any other
reason, try a known good CD.
If any error occurs repeatedly or if an error can't be
corrected, contact your dealer.

3-25 AM-FM Stereo with Cassette Tape and
Compact Disc Player with Radio Data
System (RDS) and Automatic Tone Control
(If Equipped)
Playing the Radio
PWR (Power): Press this knob to turn the system
on and off.
 VOL
(Volume): Turn the knob clockwise
to increase volume. Turn it counterclockwise to
decrease volume.AUTO VOL (Automatic Volume): With automatic
volume, 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 LOW, MEDIUM or HIGH. AVOL will appear on
the display. The volume level should always sound the
same to you as you drive. Each higher volume setting
allows for more volume compensation at faster vehicle
speeds. Then as you drive, automatic volume increases
the volume as necessary to overcome noise at any speed.
NONE will appear on the display if the radio cannot
determine the vehicle speed. If you don't want to use
automatic volume, select OFF.
DISP (Display): Pressing this knob will display the
clock. Clock display is available with the ignition turned
on or off. Press this knob to display an RDS station
frequency or program type when the radio is on.

3-29
 VOL
(Volume): Turn this knob clockwise
to increase volume when RDS interrupts regular play.
Turn it counterclockwise to decrease volume.
DISP (Display): Press this knob to change what appears
on the display while using RDS. Pressing this knob will
also display an RDS station frequency or program type
when the radio is on. The display options are station
name, station frequency, PTY and the name of the
program (if available). Pressing and holding this knob
will activate the RDS default display.
Finding a PTY Station
P
-TYPE LIST (Program Type): Turn this knob
clockwise or counterclockwise to select the Program
Type (PTY) you want to listen to. TYPE and a PTY
will appear on the display. Press the SEEK TYPE button
and the radio will seek to the first RDS broadcaster of
the selected program type. If the radio cannot find the
desired program type, NONE will appear on the display
and the radio will return to the last station you were
listening to.BAND (Alternate Frequency): Alternate frequency
allows the radio to switch to a stronger station with
the same program type. Press and hold BAND 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 BAND again for two seconds
to turn alternate frequency off. AF OFF will appear on
the display. The radio will not switch to other stations.
When you turn the ignition off and then on again,
the alternate frequency feature will automatically be
turned on.
SEEK TYPE: Press this button to go to a station with
the last selected PTY; TYPE and the last selected PTY
will appear on the display, if it is not already showing.
Press SEEK TYPE a second time to seek. If a station
with the selected PTY is not found, the radio will return
to the original station and display NONE.

3-31
When a traffic announcement comes on the current radio
station, you will hear it, even if the volume is muted or
a cassette tape or compact disc is playing. The traffic
symbol and TRAFFIC will appear on the display while
the traffic announcement plays. If the cassette tape or
compact disc player was being used, the tape or compact
disc will stay in the player and resume play at the point
where it stopped.
Radio Messages
CAL ERR (Calibration Error): This message is
displayed when the radio has not been calibrated
properly for the vehicle. You must return to the
dealership for service.
LOCKED: This message is displayed when the
THEFTLOCK

system has locked up. You must
return to the dealership for service.Playing a Cassette Tape
Your tape player is built to work best with tapes that are
up to 30 to 45 minutes long on each side. Tapes longer
than that are so thin they may not work well in this
player. The longer side with the tape visible should face
to the right. If the ignition is on, but the radio is off,
the tape can be inserted and will begin playing. A tape
symbol is shown on the display whenever a tape is
inserted. If you hear nothing but a garbled sound,
the tape may not be in squarely. Press EJT to remove
the tape and start over.
While the tape is playing, use the VOL, AUDIO and
SEEK controls just as you do for the radio. The display
will show TAPE and an arrow showing which side of
the tape is playing.
If you want to insert a tape when the ignition is off,
first press EJT or DISP.
If an error appears on the display, see ªCassette Tape
Messagesº later in this section.