A vehicle for movable operation, the vehicle comprising: a satellite navigation device; and a controller, the controller being configured to: cause the vehicle to movably operate in a first operating mode, the first operating mode being based on positions determined from satellite signals received by the satellite navigation device; wherein the vehicle for movable operation further comprises a landmark scanner, and wherein the controller is further configured to: determine that a position cannot be reliably determined based on satellite signals received by the satellite navigation device, and in response thereto cause the vehicle to movably operate in a second operating mode; in the second operating mode: receive scanning information from said landmark scanner; identify at least one landmark based on the received scanning information; determine a landmark-based position estimate; define a search space using the landmark-based position estimate; reconstruct the work point for the satellite navigation device based on the defined search space, characterised in that the controller is configured to identify at least one landmark based on the received scanning information by: detecting at least one object in said received scanning information and matching the at least one object against landmarks in a database. a satellite navigation device; and a controller, the controller being configured to: cause the vehicle to movably operate in a first operating mode, the first operating mode being based on positions determined from satellite signals received by the satellite navigation device; wherein the vehicle for movable operation further comprises a landmark scanner, and wherein the controller is further configured to: determine that a position cannot be reliably determined based on satellite signals received by the satellite navigation device, and in response thereto cause the vehicle to movably operate in a second operating mode; in the second operating mode: receive scanning information from said landmark scanner; identify at least one landmark based on the received scanning information; determine a landmark-based position estimate; define a search space using the landmark-based position estimate; reconstruct the work point for the satellite navigation device based on the defined search space, characterised in that the controller is configured to identify at least one landmark based on the received scanning information by: detecting at least one object in said received scanning information and matching the at least one object against landmarks in a database. cause the vehicle to movably operate in a first operating mode, the first operating mode being based on positions determined from satellite signals received by the satellite navigation device; wherein the vehicle for movable operation further comprises a landmark scanner, and wherein the controller is further configured to: determine that a position cannot be reliably determined based on satellite signals received by the satellite navigation device, and in response thereto cause the vehicle to movably operate in a second operating mode; in the second operating mode: receive scanning information from said landmark scanner; identify at least one landmark based on the received scanning information; determine a landmark-based position estimate; define a search space using the landmark-based position estimate; reconstruct the work point for the satellite navigation device based on the defined search space, characterised in that the controller is configured to identify at least one landmark based on the received scanning information by: detecting at least one object in said received scanning information and matching the at least one object against landmarks in a database. determine that a position cannot be reliably determined based on satellite signals received by the satellite navigation device, and in response thereto cause the vehicle to movably operate in a second operating mode; in the second operating mode: receive scanning information from said landmark scanner; identify at least one landmark based on the received scanning information; determine a landmark-based position estimate; define a search space using the landmark-based position estimate; receive scanning information from said landmark scanner; identify at least one landmark based on the received scanning information; determine a landmark-based position estimate; define a search space using the landmark-based position estimate; reconstruct the work point for the satellite navigation device based on the defined search space, characterised in that the controller is configured to identify at least one landmark based on the received scanning information by: detecting at least one object in said received scanning information and matching the at least one object against landmarks in a database. detecting at least one object in said received scanning information and matching the at least one object against landmarks in a database.