Owner's Manual
Page 124
... Front or Equalizer Rear. Select one of the options under Audio settings Soundstage. 1 Premium Sound 2 Certain audio systems / on the navigation button. Under Surround, 3 channel stereo or Dolby pro logic II can be optimized for the driver's seat, both front seats or the rear seat.
... Front or Equalizer Rear. Select one of the options under Audio settings Soundstage. 1 Premium Sound 2 Certain audio systems / on the navigation button. Under Surround, 3 channel stereo or Dolby pro logic II can be optimized for the driver's seat, both front seats or the rear seat.