This is not the typical accelerometer sensors all cars have but something very different.........
http://www.autoblog.com/2008/09/24/florida-man-cancels-nissan-gt-r-order-due-to-black-box/
http://www.autoblog.com/2008/09/24/florida-man-cancels-nissan-gt-r-order-due-to-black-box/