Oldsmobile 2003 Silhouette Owner's Manual page 233

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 while the ignition is off,
first press EJT or DISP.
If an error appears on the display, see "Cassette Tape
Messages" later in this section.
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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 or holding it
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. Press it again to return to playing speed.
The radio will play while the tape reverses. The station
frequency and REV will appear on the display. You may
select stations during reverse operation using TUNE,
SEEK or PSCAN.