2007 Hyundai Santa Fe Owner's Manual - Page 167

FEATURES OF YOUR HYUNDAI 1 155 155 6. Surround Sound select Model D466S: LOGIC7 button LOGIC7 button: The LOGIC7 button controls the Surround Sound effects of audio reproduction. Generally, switching on the LOGIC7 function will give music playback a fuller, more 3dimensional 'feel'. Press the LOGIC7 button to switch the LOGIC7 effect on/off. The LCD screen displays the ON/OFF status.