WindRunner™ self-balancing electric vehicle user’s manual37Press the lock key, and the red LED on the display panel will light up. All other LED lights will turn off. This willbe accompanied by a very short sound or “tick”, which indicates that the WindRunner has entered lock mode4.4 Battery indicationOnce powered on, press and hold “battery indication” button, and the LED on the display panel shallindicate the battery capacity and most of the LEDs will light up. Release the “battery indication” button andthe LED on the display panel will not indicate the capacity of battery.When the battery capacity is reduced to a specified value, the WindRunner shall gradually reduce themaximum riding Speed limit with the reduction of battery capacity. When the battery capacity is less than 20%,the system shall automatically restrict its speed to 10km/h and below. Meanwhile, the battery LED will flicker red.If the battery capacity is lowered continuously, it shall trigger the intelligent safety alarm. Then, the WindRunnermainframe shall vibrate, and foot mat automatically inclined backward, which will give notice to the driver to getoff and charge as soon as possible.