Patent ID: 9080887
Filing Date: 2015-07-14
Classification: G01C

Abstract:
1. A method of operating a navigation system of a vehicle including one or more base map data files to which have been applied one or more map data correction files containing both geospatial information and error identification information, which together form a basis for navigation, route guidance, and map information display on a display screen of the navigation system, the method comprising: determining a current or home location of the navigation system and a distance of the current or home location from one or more locations geospatially identified in the map data correction files, and effecting at least one of alteration and qualification of the error identification upon or after receiving an affirmative user response to a prompt automatically output by the navigation system when the distance is less than a threshold and based on a vehicle-specific parameter, the prompt at least partially being representative of the error identification, wherein the vehicle-specific parameter is at least one of: vehicle type; vehicle size; and vehicle weight.