Navigation device and method

The invention is related to a navigation device that comprises means (1) for obtaining information regarding a geographical location of the device and communication means that include means (3) for radio communication with a mobile telephone (100) of a user, means (4) for sending the information configured to send to a remote centre (500), as a response to an activation action, the information regarding geographical location, through said means (3) for radio communication and through said mobile telephone (100) and means (5) to establish, as a response to an activation action, a voice channel with the remote centre, through said means (3) for radio communication and through said mobile telephone (100). The invention is also related to a vehicle with a navigation device and to a navigation method.