In one aspect, an example method includes (i) encountering, by a media playback device of a vehicle, a trigger to update a
list of currently tunable radio stations; (ii) based on encountering the trigger to update the
list of currently tunable radio stations, updating, by the media playback device, the
list of currently tunable radio stations using a location of the vehicle and radio
station contour data stored in a local
database of the media playback device; and (iii) displaying, by the media playback device, a
station list using the list of currently tunable radio stations.