GMC 2007 Automobile User Manual


 
To use a portable audio player, connect a 3.5 mm
(1/8 inch) cable to the radio’s front auxiliary input
jack. When a device is connected, turn the portable
audio player on. Press and hold the radio AM/AUX
button for more than two seconds or until audio
from the device begins to play over the car
speakers.
O (Power/Volume): Turn this knob clockwise or
counterclockwise to increase or decrease the
volume of the portable player. You may need to
do additional volume adjustments from the portable
device if the volume is not loud or soft enough.
AM/AUX: Press this button to listen to the
radio while a portable audio device is playing.
The portable audio device will continue playing,
so you may want to stop it or turn it off.
Radio with CD (MP3/WMA)
Playing the Radio
O
(Power/Volume): Press and release this knob
to turn the system on or off.
Turn the power/volume knob clockwise or
counterclockwise to increase or decrease the
volume.
Press this button for longer than two seconds to
mute the system.
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