No problem guys. No you don't have to hold it in at all. It is where your bass, treble and other audio controls are. Now Scion has different types of radios and I am not sure if they all have this function. Also they chnged the style of the radio in 2007 I believe because of the complaints they were recieving. It is possible that in the old version or a different style that you may not be able to control this feature. I work at a Scion dealer so I will find out for sure!
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