Press the "MENU" knob to display the AUX menu, which may display the following items:

Tone settings: Select to adjust bass, midrange, treble, and fade-out. , left and right balance and equalizer.

Automatic volume adjustment: If equipped, the volume can be adjusted based on vehicle speed. Choose a level from Off, Low, Medium-Low, Medium, Medium-High, and High. Press BACK to return to the previous menu.