The connection is made from the phone to a Bluetooth-enabled key-fob that then connects to the car. According to Delphi, that gives geeks the opportunity to connect to their vehicle from a mile away.
Beyond the aforementioned features, the system can start or stop the car, roll down the windows, check tire pressure, monitor oil and brake fluid life, as well as detecting if the car has been broken into. If and when the system is ready for primetime, Delphi expects it to be available for a number of smart phones.
Thanks for the tip Corinne!