A method of providing one or more selectable vehicle tasks to one or more vehicles, comprising the steps of: receiving from each of a plurality of vehicle users at least one user-defined task to be carried out by the user's vehicle, wherein the user-defined task comprises at least one vehicle action and a conditional statement, wherein the conditional statement comprises of one or more vehicle conditions; grouping the received user-defined tasks into equivalency classes, wherein different user-defined tasks that have logically equivalent conditional statements and equivalent vehicle actions are grouped into the same equivalency class; analyzing the equivalency classes; selecting at least one vehicle task based on the analysis in step (c); and sending the selected vehicle task(s) to one or more vehicles for presentation to a user at the vehicle(s).