A method to establish a network connection between a head unit of an automobile and a plurality of mobile devices, comprising: connecting a first mobile device to the head unit with a short range wireless protocol; characterized in that the method further comprises: receiving, at the head unit, from a second mobile device, a connection request to establish a short range wireless connection between the second mobile device and the head unit; sending a request to the second mobile device for authorization to disconnect the first mobile device from the head unit in response to a determination that the requested connection is to utilize the same short range wireless protocol that the first mobile device is currently using for its connection to the head unit; disconnecting the first mobile device from the head unit in response to receiving authorization from the second mobile device to disconnect the first mobile device from the head unit; providing identification of the head unit to the second mobile device for display on the second mobile device and selection by a user of the second mobile device; receiving identification at the head unit of the second mobile device from the second mobile device in response to the user selecting the head unit; registering the second mobile device with the head unit; and establishing the connection between the second mobile device and the head unit. connecting a first mobile device to the head unit with a short range wireless protocol; characterized in that the method further comprises: receiving, at the head unit, from a second mobile device, a connection request to establish a short range wireless connection between the second mobile device and the head unit; sending a request to the second mobile device for authorization to disconnect the first mobile device from the head unit in response to a determination that the requested connection is to utilize the same short range wireless protocol that the first mobile device is currently using for its connection to the head unit; disconnecting the first mobile device from the head unit in response to receiving authorization from the second mobile device to disconnect the first mobile device from the head unit; providing identification of the head unit to the second mobile device for display on the second mobile device and selection by a user of the second mobile device; receiving identification at the head unit of the second mobile device from the second mobile device in response to the user selecting the head unit; registering the second mobile device with the head unit; and establishing the connection between the second mobile device and the head unit. receiving, at the head unit, from a second mobile device, a connection request to establish a short range wireless connection between the second mobile device and the head unit; sending a request to the second mobile device for authorization to disconnect the first mobile device from the head unit in response to a determination that the requested connection is to utilize the same short range wireless protocol that the first mobile device is currently using for its connection to the head unit; disconnecting the first mobile device from the head unit in response to receiving authorization from the second mobile device to disconnect the first mobile device from the head unit; providing identification of the head unit to the second mobile device for display on the second mobile device and selection by a user of the second mobile device; receiving identification at the head unit of the second mobile device from the second mobile device in response to the user selecting the head unit; registering the second mobile device with the head unit; and establishing the connection between the second mobile device and the head unit.