different levels, 1: throttle speed is leveled as pedal assist levels.
P19: Auto-Light. 0: auto-light deactivated, 1: auto-light activated.
P20: Sensitivity of Light Sensor. Range: 20-100
P21: Boot Password. 4-Digit.
P22: Password for Advanced Settings. 4-Digit.
5. Error Code
6. Connection
PAS Sensor Error (Riding Mark)