Instructions
Place fresh batteries into the Wii remote.
Turn the Wii console on. Wait until the console's main menu screen loads.
Open the flap found on the front of the console beneath the disc slot.
Remove the Wiimote's battery cover.
Press the "Syncho" button located underneath the flap on the console.
Press the small red button that's located under the Wiimote's battery cover. The LED on the console blinks. Once the blinking stops, the remote is calibrated.