COOPERATION SYSTEM FOR ON-VEHICLE DEVICE AND PORTABLE INFORMATION TERMINAL

PROBLEM TO BE SOLVED: To provide a cooperation system for an on-vehicle device and a portable information terminal capable of coping with preference of a user.SOLUTION: A system 300 in which an on-vehicle device 200 and a portable information terminal 100 are cooperated includes in the on-vehicle device 200 and/or the portable information terminal 100: a communication unit 320 for transmitting/receiving data between the on-vehicle device 200 and the portable information terminal 100; a storage unit 330 for storing a plurality of display formats ((1), (2), (3), (4)) of the data; and a control unit 310 for controlling the plurality of display formats ((1), (2), (3), (4)) and causes a predetermined display format (4) of the plurality of display formats ((1), (2), (3), (4)) to be selectable by a user.