Display control system using knob

A display control system using a knob, the display control system comprising:

• an input part configured to receive at least one piece of position information of a knob within a movement range in an area under a display and position information of the knob within a preset plane area;
• a memory configured to store a display control program using the position information of the knob;
• and
• a processor configured to execute the display control program,
• wherein the processor is configured to control a function in a vehicle in consideration of the position information according to movement of the knob and operation information of the knob.