To realize a method and a system, which relate to a navigation system, in particular to a function provided by the navigation system, providing an instruction of backup driving method.

The method and the system of navigation, in which the instruction of backup driving method is provided to a user of the system, are disclosed. A radio communication system enables a calculating device of the user to receive dynamic route guidance from a navigation service provider located remotely. The dynamic route guidance provides an instruction of operative method to each end user at an appropriate place along the route reaching a destination of a target. The navigation service provider also provides instruction data of backup driving method as well as the dynamic route guidance to the end user. The instruction data of backup driving method is used by the calculating device of the end user and can provide the instruction of backup driving method in order to move to the destination.