By turning the knob, the angle of the headlight beam is adjusted depending on the vehicle load.
Cars without level sensor
0 – driver's seat and front passenger seat are occupied.
1 – 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 – driver's seat, front passenger seat, rear seat and trunk loaded.
Towing a trailer.
Cars with level sensor
0 – driver's seat and front passenger seat are occupied.
The driver's seat, front passenger seat and back seat are occupied.
Driver's seat, front passenger seat, rear passenger seat occupied and trunk loaded;
1 – the driver's seat is occupied and the trunk is fully loaded.