Abstract: An apparatus and method for registering a non-registration road in a car navigation system is provided. The apparatus includes a display unit for displaying a road based on map information and new road information; a controller for controlling to, if a current driving road is out of matching with the map information, determine whether or not the current driving road is a road not registered and, if the current driving road is the road not, when number of times of out of matching of the current driving road is greater than a set number of times, detect a type of a road just before the current driving road is out of matching, prepare new road information, and store the prepared new road information in a memory; and the memory for storing the map information and the new road information.