Instructions
Turn on the Wii Remote and the Wii.
Flip open the Wii's door below the power button. Notice the red sync button.
Take off the Wii Remote's battery cover, located on the back side. The red sync button is positioned beneath the cover.
Push the Wii Remote's sync button, positioned below the batteries.
Push the Wii's sync button, located above the media card slot inside the console's front cover. The Wii Remote's lights will start flashing, indicating a sync is in progress. When the lights stop flashing, the console and Wii Remote are synced.