SYSTEM AND METHOD FOR CONTROLLING FUNCTIONS OF A VEHICLE USING A DETACHABLE CONTROL DEVICE

Disclosed is a user interface capable of controlling various functions of a vehicle, and more particularly a vehicle function control system and a control method using a detachable control device. A method of controlling an integrated control unit includes: recognizing a first detachable control device attached to a first attachment position. among at least one attachment position provided. at an attachment unit; establishing a fist data path with. the first detachable control device; transmitting information about a first function. to be controlled corresponding to the first attachment position to the first detachable control device through the first data path; and when receiving first manipulation information from the first detachable control device, controlling the first function to be controlled based on the first manipulation information.