In-vehicle function control apparatus using detachable knob and method of controlling the same

An in-vehicle function control apparatus using a detachable knob, the in-vehicle function control apparatus comprising:

• the detachable knob including an operation unit;
• and
• an integrated operation unit configured to detect an attachment position of the detachable knob among a plurality of attachment positions in a vehicle,
• wherein, when the operation unit is operated, the detachable knob transmits information on a result of the operation to the integrated operation unit,
• wherein the integrated operation unit controls a controlled function corresponding to the attachment position of the detachable knob based on the information on the result,
• wherein the detachable knob is fixed at any one of the plurality of attachment positions using magnetic force;
• wherein the integrated operation unit includes a display having a plurality of display regions respectively corresponding to a plurality of controlled functions;
• wherein the plurality of attachment positions has an alignment form corresponding to a shape of the display;
• and
• wherein the plurality of attachment positions are spaced apart from the display.