Lexus GS350 - Adjusting the Volume (Rear); Changing the Audio Source (Rear)

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GS350_OM_OM30D41U_(U)
5-3. Using the audio system
Press to turn the front audio system on.
Pressing the button again turns the system off.
Press to change the audio source. The audio source as follows
each time the button is pressed. If no discs are inserted in the player, or if
the external device is not connected, that mode will be skipped.
FM SAT Apps DVD player iPod or USB memory 
Bluetooth
®
audio player AUX AM
Press “” on to increase the volume and “” to decrease the vol-
ume.
Press and hold the button to continue increasing or decreasing the volume.
Turning the power on/off
Changing the audio source
Adjusting the volume