Basic operation
　　 1. Press and hold the power switch for 5 seconds to turn on the power; press again for 5 seconds to turn off the power.
　　2. Press the plus 1 button, the gear will increase to gear 5, the higher the gear, the faster the depth.
　　3. Press the minus 1 key, the gear will decrease to gear 0, the lower the gear, the slower the speed.
　　4. Short press the power switch to display (DIS) single mileage, (ODO) total mileage, (RPM) motor speed, (TIME) single riding time, (VOL) battery voltage in sequence.
　　5 When the electric vehicle fails, the LCD screen will display the faulty components, which are brake failure, motor failure, handle failure, and controller failure in order.