By turning the knob, the angle of inclination of the headlight beam is adjusted depending on the vehicle load.
Vehicles without level sensor
0 - the driver's seat and the front passenger seat are occupied.
1 - the driver's seat, front passenger seat and rear seat are occupied.
2 - the driver's seat is occupied and the trunk is fully loaded.
3 - the driver's seat, front passenger seat, rear seat are occupied and the trunk is loaded.
Trailer towing.
Vehicles with level sensor
0 - the driver's seat and the front passenger seat are occupied.
The driver's seat, front passenger seat and rear seat are occupied.
The driver's seat, front passenger seat, rear passenger seat are occupied and the trunk is loaded;
1 - the driver's seat is occupied and the trunk is fully loaded.