2. Use "+" or "-" to select the 8th "PSD", and then short press "i" to enter the password setting interface;
3. P2, 0000 will be on the screen. Short press the "+" or the "-" button to enter the default value "1212", and then press the "i" button to access the power-on password enable settings interface;
4. Press the "+" or the "-" button to select Y or N. Select "Y", and then press the "i" button to access the power-on password modification;
5. P3, 0000 will be on the screen. Press the "+" or the "-" button to set the new power-on password and then press the "i" button to save;
6. When switching the eBike system on next time, the display will show P1,0000, please input the new password to power on.