HOVERSTAER Hoverboard , how to reset?

https://www.youtube.com/watch?v=RRS0qO6ULY4

• NEW HOVER BOARD: Made with Anti-fire Material
• HOVERBOARD PATINETAS ELECTRICAS FEATURES: Electronic Based Hoverboard, Very sturdy- Supporting up to 143 lbs. Minimum: 44 lbs, Impeccable Speed Controlled by Rider, Equipped with a battery, Front LED Lights, you can hit max speed of up to 6 MPH and Range: 3-6 Miles (Depend on road condition & User Weight)
• SAFETY CERTIFICATION: UL Certificated Hoverboard- Safe and Stable
• ACCESSORIES INCLUDE: Charger and Help Manual for Reference
• For Kids Only: Boy and Girl