GM previewed the software at the L.A. Auto Show.
From Scion to BMW, the vehicles that were displayed left visitors wishing they could drive off in one.
The new 2012 Porsche 911 (Natalie Fung)
With new energy-efficient and concept cars, green is the theme at this year's L.A. Auto Show.
SLIDESHOW: Electric & hybrid concepts share spotlight with sports cars.