Patent ID: 8731584

Claim:
A mobile terminal, comprising: a position location module configured to obtain position information, the position information related to a geographical location of the mobile terminal; a wireless communication unit configured to permit wireless communication with an external device; a user input unit configured to receive user input; and a controller configured to: receive first position information via the position location module in response to a first command received via the user input unit; receive second position information via the wireless communication unit, the second position information related to a geographical location of the external device; identify a relative distance between the mobile terminal and the external device using the first position information and the second position information; and set an interlock function in response to a second command received via the user input unit, wherein the interlock function restricts the mobile terminal from performing a function; and wherein the interlock function is set or canceled when the relative distance between the mobile terminal and the external device is less than a threshold distance and cannot be set or canceled when the relative distance between the mobile terminal and the external device is greater than the threshold distance.