<http://schema.org/alternativeHeadline>
"Valet parkers may lose their jobs if this German automaker's system takes off. Car owners can summon their cars with a click of the smartphone, and send them solo back to the garage with another click."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/audis-self-parking-car>