Instructions
Power on your Wii and insert a Wii game that uses the Wii Fit board.
Start the game by using a Wii remote and selecting the game title from the home screen.
Open the SD card slot on the Wii to reveal a sync button.
Remove the battery cover from the Wii Fit board to reveal a sync button on the board.
Press the sync button on the board, and then press the sync button on the system. The blinking blue light on the Wii Fit board becomes a steady blue when the sync is complete.