Ford 2003 Mustang Owner's Manual page 30

Controls and features
If the volume is set above a certain level and the
ignition is turned off, the volume will come back on
at a "nominal" listening level when the ignition
switch is turned back on. If you wish to maintain
your preset volume level, turn the audio system off
with the power control before switching off the
ignition.
AM/FM select
The AM/FM select
control works in radio
mode.
AM/FM select in radio mode
This control allows you to select AM or FM
frequency bands. Press the control to switch
between AM, FM1 or FM2 memory preset stations.
Tune adjust
The tune control works
in radio.
Tune adjust in radio mode
Press the
the band (whether or not a listenable station is
located there). Hold the control to move through
the frequencies quickly.
Press the right side of the control to move to the
next frequency up the band (whether or not a
listenable station is located there). Hold for quick
movement.
Seek function
The seek function
control works in radio
mode.
30
VOL
PUSH-ON
to move to the next frequency down
AM
FM
TUNE
SEEK