A high-quality speaker delivers clear turn-by-turn voice instructions for reliable route guidance; large next- maneuver arrows alert the driver to the approach and direction of upcoming turns; a real-time progress bar and distance-to-turn information ensure users take action at the appropriate time; detailed junction maps help drivers make visible associations with their actual surroundings; and user-selectable data such as ETA, speed, current time, time-to-go and total distance can be accessed with the touch of a button.