I want one!  First of all I love the Audi A7 but this is really cool.  Audi has come up with a car that parks it self and comes back to you. 

In order for it to work the parking garage has to have special sensors in it but still the car does all of the steering and driving.  You use an ap on your smart-phone and all you have to do is pull up and push a button and away the car goes, then when you are ready push a button and the car comes back!