To do that, you need to load the appropriate apps on your phone, connect it to the car's system through Bluetooth or a USB cable, and then operate the apps through the car's in-dash display or ...
If the car and phone are paired via Bluetooth, the doors unlock. Walk out of range and the car automatically locks when the connection drops. His build uses an Arduino Mega with a BlueSMiRF ...
Start your car's Bluetooth pairing mode ... When you start your car in the future, the phone will automatically connect and you will be able to hear the phone's audio through the car's speakers.