Patent ID: 7330786

Claim:
A vehicle navigation method comprising: initiating a trip request, including trip request information; determining vehicle coordinates; sending vehicle coordinates and the entered trip request information to a server over a network; retrieving at the server road information based on the vehicle coordination and entered trip request information from an information center over a network connection; generating a trip plan according to navigation information stored in a memory associated with the server, the generated trip plan including a table of locations of the trip plan with associated navigation prompts; sending the generated trip plan table to the vehicle over the network; comparing present vehicle coordinates to the trip plan table; defining a threshold value to ascertain adherence of present vehicle coordinates to the trip plan and if, according to the comparison, the vehicle coordinates are within a threshold value from a location in the table, presenting the navigation prompt associated with the location in the table that is within the threshold value of the vehicle's location to confirm adherence to the trip plan.