1. First turn to the tram and find the position of the switch on the tram, as shown in the figure below:

2. Insert the key into the keyhole, as shown in the following figure:

3. Turn the key to the gear position, as shown in the following figure:

4. Then, make the display light up, as shown below:

5. Then, turn the switch, as shown in the figure below:

6. Turn the wheel upward, as shown in the figure below:

7. Finally, you can see the battery charge (battery symbol) on the display screen. There are five bars in all. Indicates that the battery is full, as shown in the following figure: