The present invention relates to a direction guide vibration system of a vehicle operating with a navigation and control method thereof, which applies vibration to a driver's seat on which a driver sits at the spot where a left turn or a right turn and a U turn are expected, on a path to move to a driver's...http://www.google.fr/patents/US7619505?utm_source=gb-gplus-shareBrevet US7619505 - Vehicle direction guide vibration system and method
Vehicle direction guide vibration system and method