Instructions
Plug the included USB cable into the back of the PS3 controller. Plug the free end into the USB port on the PS3 slim.
Press the "PS" PlayStation button in the center of the PS3 controller. The controller will flash a red light for a few seconds.
Disconnect the USB cable from the controller and PS3 slim when the red light remains stable. The PS3 controller now is paired with the PS3 slim.