KIA Optima 2011 - Manual (Page 207)

4 129
Features of your vehicle
• MIDDLE Control
To increase the MIDDLE, rotate the knob
clockwise, while to decrease the MID-
DLE, rotate the knob counterclockwise.
• TREBLE Control
To increase the TREBLE, rotate the knob
clockwise, while to decrease the TRE-
BLE, rotate the knob counterclockwise.
• FADER Control
Turn the control knob clockwise to empha-
size rear speaker sound (front speaker
sound will be attenuated). When the con-
trol knob is turned counterclockwise, front
speaker sound will be emphasized (rear
speaker sound will be attenuated).
• BALANCE Control
Rotate the knob clockwise to emphasize
right speaker sound (left speaker sound
will be attenuated). When the control
knob is turned counter clockwise, left
speaker sound will be emphasized (right
speaker sound will be attenuated).