If the red button is jammed then there are three options, one is to play the game without the red, two is to not play the game at all and three is to get a new grip.
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If you are holding the guitar like you would when you are playing, then the sync button is on the right side, right next to the headset input and strap connection.
hold the button with the x on it until it starts to blink and its on.
you press the sync button on the wireless guitar and on the xbox 360
Rub some Rubbing Alcohol on them with a cotton ball
The guitar comes with a usb adapter just plug it in your ps3 and activate the guitar by pressing the PS button on it.