1. While accelerating, press and hold the Left Stick (Left or Right) while holding the B button to engage the Emergency Brake. 2. Once your bike is to its side (about 90 degrees), continue holding the Left Stick. Let go of the the B button press and hold B again until the front wheel faces the camera. 3. Let go of both the Left Stick and B button. Accelerate forward for a quick full U-Turn.