2009 Hyundai Sonata Owner's Manual - Page 108
2009 Hyundai Sonata Manual
Page 108 highlights
FEATURES OF YOUR HYUNDAI 1 95 CDP mode It will function as the TRACK UP/DOWN button. CDC mode It will function as the TRACK UP/DOWN button. MUTE Switch o Pull the MUTE switch to slience the sound. o Once again press the MUTE switch to restore the sound. VOL ( / ) Switch ) switch to increase ) switch to decease o Press the VOL ( volume. o Press the VOL ( volume.