A method of sharing a preset table between a vehicle infotainment system including a vehicle tuner, memory for storing a first preset table and a broadcast signal receiver that receives a broadcast signal based on the first preset table, and an external device coupled to the vehicle infotainment system, includes storing the first preset table in the memory, the first preset table including first regional information and at least one combination of first station identification information and a first tuning frequency corresponding to the first station identification information, receiving a second preset table from the external device, the second preset table including second regional information and at least one combination of second station identification information and a second tuning frequency corresponding to the second station identification information, comparing the first preset table with the second preset table, and making the first preset table and the second preset table identical, if the first preset table and the second preset table are different.