DETROIT, April 14, 2011 /PRNewswire/ -- Voice-based Turn-By-Turn Direction service result in better vehicle control 80 percent of study participants preferred "least complicated option"Drivers value visual aids in addition to audio directions A recent study by OnStar and the Virginia Tech Transport
Source : http://www.prnewswire.com/news-releases/study-voic...
Source : http://www.prnewswire.com/news-releases/study-voic...