To use this product, first, you can transform the Vail Driver into the Destream Driver with the help of the Destream Driver Unit. Once transformed, you can henshin into Kamen Rider Destream. To activate the cool Genome attack sounds, use additional Vistamps and press both sides of the belt twice. If you place a Japanese order by July 6th, 2021, you'll get an extra Komodo Dragon Vistamp for the DX Revice Driver. As for the driver not turning on, make sure you're not using it in a cold environment. Try to use it in a room where the temperature is above 60 degrees. Also, always use fresh batteries for the best operation. This will help keep your product working well and ensure you have a great time playing with it.