A method for maintaining vehicle-resident map information may include, in a vehicle with at least one communications processor integrated within the vehicle, the at least one communications processor being operable to receive wireless transmissions including map information from a remote location separate and apart from the vehicle, obtaining GPS information relating to the vehicle. The map information received by the at least one communications processor may be downloaded from the remote location. A map corresponding to the map information, and an indication of the current vehicle location may be displayed within the map, based on the GPS information. The map information may correspond to the GPS information. Road information may be wirelessly transmitted to one or more locations based on the GPS information.
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