Buick 2003 Century Owner's Manual page 169

AM-FM: Press this button to listen to the radio when a
CD is playing.
SOURCE: Press this button to play a cassette tape ot
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.
A
SEEK : Press the up or the down arrow to go to
the previous or to the next track on the CD.
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
If the disc comes out or CHECK CD appears on the
display, it could be for one of the following reasons:
0
You're driving on a very rough road. When the road
becomes smoother, the disc should play.
It's very hot. When the temperature returns to
normal, the disc should play.
The disc is dirty, scratched, wet, or upside down.
It
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. If your radio displays an
error number, write it down and provide it to your
dealer when reporting the problem.
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