Bluetooth, wireless connection available on most smartphones, provides the first answer.No cable, no installation: just start the connection and pair the smartphone with a device.From hands -free kit to Bluetooth car radio, many car accessories are equipped with such an option.What function do they offer?Reply, call, or even dictate a message to your smartphone thanks to the voice command, for the first.Direct access to the multimedia content of your smartphone, for the second.These systems, however, offer control only a particular function: telephone or music.If you want to access all your content directly from your car orders, you need the suitable car!