lock BUICK CENTURY 2002 Workshop Manual

3-10
Audio Systems
Your audio system has been designed to operate easily
and give years of listening pleasure. You will get the
most enjoyment out of it if you acquaint yourself with it
first. Find out what your audio system can do and how
to operate all of its controls to be sure you're getting the
most out of the advanced engineering that went into it.
Setting the Clock
Press and hold HRS until the correct hour appears. Press
and hold MIN until the correct minute appears.
You may set the clock with the ignition off if you
push RECALL first.
AM-FM Stereo
Playing the Radio
ON/OFF: Press this knob to turn the system on and off.
VOLUME: Turn the knob clockwise to increase
volume. Turn it counterclockwise to decrease volume.

3-11
RECALL: Push this knob to display the station
being played or to display the clock. To change what is
normally shown on the display (station or time), push
the knob until you see the display you want, then hold
the knob until the display flashes. Push this knob when
the ignition is off, to display the clock.
Finding a Station
AM±FM: 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 go 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 scanning. The sound will mute
while seeking.
To scan stations, press one of the SEEK arrows for
two seconds, and SCAN will appear on the display.
The radio will go to a station, play for a few seconds,
then go on to the next station. Press one of the SEEK
arrows again to stop scanning. The radio will scan to
stations with a strong signal only. The sound will mute
while scanning.P SCAN (Preset Scan): Press this button to listen to
each of your preset stations for a few seconds. The radio
will go to the first preset station, play for a few seconds,
then go on to the next preset station. Press P SCAN
again to stop scanning. The radio will scan preset
stations with a strong signal only. The sound will mute
while scanning.
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 the AM±FM button to select the band.
3. Tune in the desired station.
4. Press and hold one of the six numbered pushbuttons.
The sound will mute. When it returns, release the
pushbutton. Whenever you press that numbered
pushbutton, the station you set will return.
5. Repeat the steps for each pushbutton.

3-12
Setting the Tone (Bass/Treble)
BASS: Press this knob lightly so it extends.
Turn the knob to increase or decrease bass.
TREB (Treble): Press this knob lightly so it extends.
Turn the knob to increase or decrease treble. If a station
is weak or noisy, you may want to decrease the treble.
Push these knobs back into their stored positions when
you're not using them.
Adjusting the Speakers (Balance/Fade)
BAL (Balance): Turn the control behind the upper
knob to move the sound to the left or right speakers.
The middle position balances the sound between
the speakers.
FADE: Turn the control behind the lower knob
to move the sound to the front or rear speakers.
The middle position balances the sound between
the speakers.AM-FM Stereo with Cassette Tape Player
(If Equipped)
Playing the Radio
ON/OFF: Press this knob to turn the system on and off.
VOLUME: Turn the knob clockwise to increase
volume. Turn it counterclockwise to decrease volume.

3-13
RECALL: Push this knob to display the station
being played or to display the clock. To change what is
normally shown on the display (station or time), push
the knob until you see the display you want, then hold
the knob until the display flashes. Push this knob when
the ignition is off, to display the clock.
Finding a Station
AM±FM: Push this knob 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 go 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.
To scan stations, press one of the SEEK arrows for
two seconds, and SCAN will appear on the display.
The radio will go to a station, play for a few seconds,
then go on to the next station. Press one of the SEEK
arrows again to stop scanning. The radio will scan to
stations with a strong signal only. The sound will mute
while scanning.P SCAN (Preset Scan): Press this button to listen to
each of your preset stations for a few seconds. The radio
will go to the first preset station, play for a few seconds,
then go on to the next preset station. Press P SCAN
again to stop scanning. The radio will scan preset
stations with a strong signal only. The sound will mute
while scanning.
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 the AM FM knob to select the band.
3. Tune in the desired station.
4. Press and hold one of the six numbered pushbuttons.
The sound will mute. When it returns, release the
pushbutton. Whenever you press that numbered
pushbutton, the station you set will return.
5. Repeat the steps for each pushbutton.

3-16
Cassette Tape Messages
If an E and a number appears on the display while trying
to play a cassette tape, it could be for one of the
following reasons:

E10: The tape is tight and the player can't turn
the tape hubs. Remove the tape. Hold the tape with
the open end down and try to turn the right hub
counterclockwise with a pencil. Turn the tape over
and repeat. If the hubs do not turn easily, your tape
may be damaged and should not be used in the
player. Try a new tape to make sure your player is
working properly.

E11: The tape is broken. Try a new tape.
CLN (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.
If any error occurs repeatedly or if an error can't be
corrected, contact your dealer. If your radio displays an
error number, write it down and provide it to your dealer
when reporting the problem.AM-FM Stereo with Cassette Tape Player
and Automatic Tone Control (If Equipped)
Standard Radio --- Monsoon Not Shown
Your vehicle may be equipped with a Concert Sound III
sound system, which includes eight speakers and an
eight channel, 200 watt amplifier.

3-17
Playing the Radio
ON/OFF: Push this knob to turn the system on and off.
VOLUME: Turn the knob clockwise to increase
volume. Turn it counterclockwise to decrease the
volume.
RECALL: Press this button to display the station
being played or to display the clock. To change what is
normally shown on the display (station or time), press
this button until you see the display you want, then hold
the button until the display flashes. If you press the
button when the ignition is off, the clock will show for
a few seconds.
Finding a Station
AM
-FM: Press this button to switch between AM,
FM1 and FM2. The display shows your selection.
TUNE: Press the up or down arrow to choose
radio stations.
SEEK: Press the up or down arrow to go 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.To scan stations, press and hold one of the SEEK arrows
for two seconds and SCAN will appear on the display.
The radio will go to a station, play for a few seconds,
then go on to the next station. Press one of the SEEK
arrows again to stop scanning. The radio will scan to
stations with a strong signal only. The sound will mute
while scanning.
P SCAN (Preset Scan): Press this button to listen to
each of your preset stations for a few seconds. The radio
will go to the first preset station, play for a few seconds,
then go on to the next preset station. Press P SCAN
again to stop scanning. The radio will scan preset
stations with a strong signal only. The sound will
mute while scanning.
AUTO (Automatic) SET: Press this button and the
system will seek and set the 12 strongest FM or the
6 strongest AM stations on your preset pushbuttons
(depending on which band (AM or FM) you are
listening to). AUTO SET will flash while seeking
and will remain on until this function is complete.
To return to the stations you manually set, press
AUTO SET again.

3-20
5 SIDE: Press this pushbutton to change the side of
the tape that is playing.
6
(Dolby): Press this pushbutton to reduce
background noise. The double
-D symbol will appear
on the display.
Dolby Noise Reduction is manufactured under a license
from Dolby Laboratories Licensing Corporation. Dolby
and the double
-D symbol are trademarks of Dolby
Laboratories Licensing Corporation.
AM
-FM: Press this button to listen to the radio when
a cassette tape is playing.
SOURCE: Press this button to play a tape when
listening to the radio. TAPE PLAY with an arrow
will appear on the display when the tape is active.
SEEK: Press the up or down arrow to go to
the next or previous selection on the tape. Your tape
must have at least three seconds of silence between
each selection for seek to work. The sound will mute
while seeking.
EJECT: Press this button to stop a tape when it is
playing and to remove a tape when it is not playing.
Eject may be activated with the radio off.Cassette Tape Messages
E (Error): If this message and a number appears while
trying to play a cassette tape, it could be for one of the
following reasons:

E10: The tape is tight and the player can't turn
the tape hubs. Remove the tape. Hold the tape with
the open end down and try to turn the right hub
counterclockwise with a pencil. Turn the tape over
and repeat. If the hubs do not turn easily, your tape
may be damaged and should not be used in the
player. Try a new tape to make sure your player is
working properly.

E11: The tape is broken. Try a new tape.
CLN (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.
If any error occurs repeatedly or if an error can't be
corrected, contact your dealer. If your radio displays an
error number, write it down and provide it to your dealer
when reporting the problem.

3-21 AM-FM Stereo with Cassette Tape and
Compact Disc Player with Automatic Tone
Control (If Equipped)
Standard Radio --- Monsoon
Not Shown
Your vehicle may be equipped with a Concert Sound III
sound system, which includes eight speakers and an
eight channel, 200 watt amplifier.Playing the Radio
ON/OFF: Push this knob to turn the system on and off.
VOLUME: Turn this knob clockwise to increase
volume. Turn it counterclockwise to decrease volume.
RECALL: Press this button to display the station
being played or to display the clock. To change what is
normally shown on the display (station or time), press
this button until you see the display you want, then hold
this button until the display flashes. Press this button
when the ignition is off to display the clock.
Finding a Station
AM
-FM: Press this button to switch between AM,
FM1 and FM2. The display shows your selection.
TUNE: Press the up or down arrow to choose
radio stations.
SEEK: Press the up or down arrow to go 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.

3-25
Cassette Tape Messages
E (Error): If this message and a number appears while
trying to play a cassette tape, it could be for one of the
following reasons:

E10: The tape is tight and the player can't turn
the tape hubs. Remove the tape. Hold the tape with
the open end down and try to turn the right hub
counterclockwise with a pencil. Turn the tape over
and repeat. If the hubs do not turn easily, your tape
may be damaged and should not be used in the
player. Try a new tape to make sure your player is
working properly.

E11: The tape is broken. Try a new tape.
CLN (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.
If any error occurs repeatedly or if an error can't be
corrected, contact your dealer. If your radio displays an
error number, write it down and provide it to your dealer
when reporting the problem.Playing a Compact Disc
Insert a disc partway into the slot, label side up.
The player will pull it in. The disc should begin playing.
If you want to insert a CD while the ignition or the radio
is off, first press EJECT or RECALL.
If you turn off the ignition or radio with a disc in the
player, it will stay in the player. When you turn on the
ignition or system, the disc will start playing where it
stopped, if it was the last selected audio source.
Also, as a protection feature, if a CD is ejected and left
in the player, it will be pulled back in the player with the
ignition on or off.
If an error appears on the display, see ªCompact Disc
Messagesº later in this section.
1 PREV (Previous): Press this pushbutton to go to
the start of the current track, if more than eight seconds
have played. If you hold this pushbutton 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 pushbutton to go to the next track.
If you hold this pushbutton or press it more than once,
the player will continue moving forward through the
disc. The sound will mute while seeking.

3-27 Theft-Deterrent Feature (If Equipped)
THEFTLOCK
is designed to discourage theft of your
radio. It works by using a secret code to disable all radio
functions whenever battery power is removed.
If THEFTLOCK is active, the THEFTLOCK will flash
when the ignition is off.
The THEFTLOCK feature for the radio may be used or
ignored. If ignored, the system plays normally and the
radio is not protected by the feature. If THEFTLOCK is
activated, your radio will not operate if stolen.
When THEFTLOCK is activated, the radio will display
LOC to indicate a locked condition anytime battery
power is removed. If your battery loses power for any
reason, you must unlock the radio with the secret code
before it will operate.
Activating the Theft
-Deterrent Feature
The instructions which follow explain how to enter
your secret code to activate the THEFTLOCK system.
It is recommended that you read through all nine steps
before starting the procedure.If you allow more than 15 seconds to elapse between
any steps, the radio automatically reverts to time and
you must start the procedure over at Step 4.
1. Write down any three or four
-digit number from 000 to
1999 and keep it in a safe place separate from the vehicle.
2. Turn the ignition to ACCESSORY or ON.
3. Turn the radio off.
4. Press the 1 and 4 pushbuttons at the same time.
Hold them down until
--- shows on the display.
Next you will use the secret code number which
you have written down.
5. Press MIN and 000 will appear on the display.
6. Press MIN again to make the last two digits agree
with your code.
7. Press HRS to make the first one or two digits agree
with your code.
8. Press AM
-FM after you have confirmed that the
code matches the secret code you have written down.
The display will show REP to let you know that you
need to repeat Steps 5 through 7 to confirm your
secret code.
9. Press AM
-FM and this time the display will show
SEC to let you know that your radio is secure.