Things You'll Need
Instructions
Make sure your two Wiimotes are synced up with your Wii. If you think that they aren't, press the "Sync" button on your Wii. The button is located next to your SD card slot in front of the console.
Turn your Wii on. Press "A to bypass the safety warning. Select the "Cars" icon on the Wii Channels menu and press "OK" to begin the game.
Select "Multiplayer" at the Main menu. If only one Wiimote is synced up with the Wii, this option will be gray and inaccessible.