A navigation system for providing navigation information to a user
responsive to user commands includes (1) a user device for issuing user
commands and displaying a user interface to the user and (2) a navigation
device for connecting to the user device and receiving user commands from
the user device and transmitting navigation information to the user
device. The information received from the user device includes updated
map information, traffic information, news information, weather
information, event-related information, business-related information, and
user-specified information. The navigation device performs route
following based on commands received from the user device and transmits
routing instructions to the user device. The navigation device and user
device are separately operable by a user.