2002 BUICK CENTURY display

3-22
To scan, 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.
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.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 TONE to select the setting you prefer.
5. 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 and the
tone you selected will be automatically selected for
that button.
6. Repeat the steps for each pushbutton.

3-23
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.
TONE: This feature allows you to choose preset
bass and treble equalization settings designed for
country/western, jazz, talk, pop and classical stations.
CLASS will appear on the display when you first
press TONE.
Each time you press the TONE button, this feature will
switch to one of these program types.
To return the bass and treble to the manual mode,
either press TONE until MANUAL appears or press
and release the BASS or TREB knob and turn it until
the display goes blank. See ªSetting Preset Stationsº
listed previously to program the auto tone feature.Adjusting the Speakers (Balance/Fade)
BAL (Balance): Press this knob lightly so it extends.
Turn the knob to move the sound to the left or right
speakers. The middle position balances the sound
between the speakers.
FADE: Press this knob lightly so it extends.
Turn the knob to move the sound to the front or
rear speakers. The middle position balances the sound
between the speakers.
Push these knobs back into their stored positions when
you're not using them.
Playing a Cassette Tape
The longer side with the tape visible should face to the
right. If the ignition and the radio are on, the tape can be
inserted and will begin playing. If you hear nothing or
hear a garbled sound, the tape may not be in squarely.
Press EJECT to remove the tape and start over.
While the tape is playing, use the VOLUME, SEEK,
FADE, BAL, BASS and TREB controls just as you
do for the radio. Other controls may have different
functions when a tape is inserted. The display will show
an arrow to show which side of the tape is playing.

3-24
If you want to insert a tape when the ignition or radio
is off, first press EJECT or RECALL.
Your tape bias is set automatically.
If an error appears on the display, see ªCassette Tape
Messagesº later in this section.
1 PREV (Previous): Press this pushbutton to search
for the previous selection on the tape. Your tape must
have at least three seconds of silence between each
selection for previous to work. The sound will mute
while seeking.
2 NEXT: Press this pushbutton to search for the next
selection on the tape. Your tape must have at least
three seconds of silence between each selection for
next to work. The sound will mute while seeking.
3
 (Reverse): Press this pushbutton to reverse the
tape rapidly. Press it again to return to playing speed.
The radio will play while the tape reverses.
4


(Forward): Press this pushbutton to advance
quickly to another part of the tape. Press it again to
return to playing speed. The radio will play while the
tape advances.5 SIDE: Press this pushbutton to change the side of
the tape that is playing.
6 RAND (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 cassette tape or a
CD when listening to the radio. TAPE SIDE and an
arrow will appear on the display. If this button is pressed
again, the system will go to disc play; CD PLAY will
appear on the display.
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, located next to the cassette
tape slot, 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.

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.

3-26
3  (Reverse): Press and hold this pushbutton to
quickly reverse within a track. You will hear sound at a
reduced level. Release it to play the passage.
4


(Forward): Press and hold this pushbutton to
quickly advance within a track. You will hear sound at a
reduced level. Release it to play the passage.
6 RAND (Random): Press this pushbutton to hear
the tracks in random, rather than sequential, order.
Press it again to turn off random play.
RECALL: Press this button to see which track is
playing. Press it again within five seconds to see how
long it has been playing. To change what is normally
shown on the display (track or elapsed time), press this
button until you see the display you want, then hold this
button until the display flashes.
AM
-FM: Press this button to listen to the radio when
a CD is playing.
SOURCE: Press this button to play a cassette tape or
a CD when listening to the radio. TAPE SIDE and an
arrow will appear on the display. If this button is pressed
again, the system will go to disc play; CD PLAY will
appear on the display.
SEEK: Press the up or down arrow to go to the
previous or next track on the CD. The sound will mute
while seeking.
EJECT: Press this button, located next to the CD slot,
to stop a CD when it is playing and to remove a CD
when it is not playing. Eject may be activated with the
radio off.
Compact Disc Messages
E (Error): If you're driving on a very rough road or
if it's very hot, the disc may not play and an E and a
number may appear on the display. When the road
becomes smooth or the temperature returns to normal,
the disc should play. If the disc comes out, it could be
for one of the following reasons:
E20: The disc is upside down.
E20: It is dirty, scratched or wet.
E20: There's too much moisture in the air. (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. If your radio displays an
error number, write it down and provide it to your dealer
when reporting the problem.

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.

3-28
Unlocking the Theft-Deterrent Feature After a
Power Loss
Enter your secret code as follows; pause no more than
15 seconds between steps:
1. Turn the ignition on. LOC will appear on the display.
2. Press MIN and 000 will appear on the display.
3. Press MIN again to make the last two digits agree
with your code.
4. Press HRS to make the first one or two digits agree
with your code.
5. Press AM
-FM after you have confirmed that the
code matches the secret code you have written down.
The display will show SEC, indicating the radio is
now operable and secure.
If you enter the wrong code eight times, INOP will
appear on the display. You will have to wait an hour
with the ignition on before you can try again. When
you try again, you will only have three more chances
(eight tries per chance) to enter the correct code before
INOP appears.
If you lose or forget your code, contact your dealer.Disabling the Theft
-Deterrent Feature
Enter your secret code as follows; pause no more than
15 seconds between steps:
1. Turn the ignition to ACCESSORY or ON.
2. Turn the radio off.
3. Press the 1 and 4 pushbuttons at the same time.
Hold them down until SEC shows on the display.
4. Press MIN and 000 will appear on the display.
5. Press MIN again to make the last two digits agree
with your code.
6. Press HRS to make the first one or two digits agree
with your code.
7. Press AM
-FM after you have confirmed that the
code matches the secret code you have written down.
The display will show
---, indicating that the radio
is no longer secured.
If the code entered is incorrect, SEC will appear on the
display. The radio will remain secured until the correct
code is entered.
When battery power is removed and later applied to a
secured radio, the radio won't turn on and LOC will
appear on the display.
To unlock a secured radio see ªUnlocking the
Theft
-Deterrent Feature After a Power Lossº
earlier in this section.

3-29 Audio Steering Wheel Controls
(If Equipped)
If your vehicle has this feature, you can control certain
radio functions using the buttons on your steering wheel.
 SEEK
: Press the up or down arrow to seek to the
next or previous radio station.
If a cassette tape or compact disc is playing, the player
will advance to the next or previous selection.SCAN: Press this button and SCAN will appear on
the display. The radio will scan to the first preset station
on your pushbuttons, play for a few seconds, then go
to the next preset station. The radio will scan preset
stations with a strong signal only. Press SCAN again
to stop scanning.
AM FM: Press this button to choose AM, FM1 or FM2.
If a cassette tape or compact disc is playing, press this
button to listen to the radio.
SRCE (Source): Press this button to change to
playing a cassette tape or compact disc when listening
to the radio.
MUTE: Press this button to silence the audio system.
Press it again to turn on the sound. VOL (Volume)
: Press the up or down arrow to
increase or decrease volume.