Instructions
Turn on the PlayStation 3 and select the "Settings" tab in the main menu.
Select "Accessory Settings" from the Settings menu.
Scroll down to "Vibration Function" and press "X" on the controller. Select "On" and press "X" to confirm.
Insert a PS3 game into the system. Go to the "Game" tab in the main menu and load the game. While in the game, press the "PS" button on the controller to bring up the menu. Select "Controller Settings" and "Vibration Function" to vibrate the controller or turn the vibration off.