Some functions in cars will soon be controlled by hand gestures to limit the distractions while driving.
Hyundai plans to introduce a car that incorporates "3-D gesture" control so a driver can operate an audio system with the wave of a hand.
And Lexus has mounted an infrared camera to steering columns of 2013 GS and LS luxury sedans that maps driver's faces, searching for signs they're looking away from the road or falling asleep.
