A vehicle tracking unit may include a user indicator, a vehicle position determining device, a wireless communications device, and a controller. The controller is preferably switchable between an unregistered mode and a registered mode. In the registered mode, the controller may cooperate with the wireless...http://www.google.com/patents/US6804605?utm_source=gb-gplus-sharePatent US6804605 - Vehicle tracker with user registration reminder and related methods
Vehicle tracker with user registration reminder and related methods
