The present disclosure provides a control method of an Audio Video Navigation (AVN) system for vehicles. The control method may include: connecting the AVN system to a terminal through a wired connection based on a first protocol, transmitting an activation signal to the terminal through the wired connection, receiving address information and acceptance information of the terminal for wireless connection with the terminal based on a second protocol through a specific application in the terminal activated based on the activation signal, automatically executing wireless connection with the terminal based on the acceptance information, and automatically requesting specific information to the terminal and receiving the specific information through wireless connection based on the acceptance information.