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A vehicular navigation system is provided that includes a vehicular wireless communication system that comprises a global-positioning system receiver in a vehicle, the global-positioning system receiver operable to receive data indicative of the geographic position of the vehicle from satellites ext

A vehicular navigation system is provided that includes a vehicular wireless communication system that comprises a global-positioning system receiver in a vehicle, the global-positioning system receiver operable to receive data indicative of the geographic position of the vehicle from satellites external to the vehicle. The vehicular wireless communication system includes a wireless communication link between a transceiver in the vehicle and a transceiver at a site remote from the vehicle whereby wireless communication can exist between the vehicular transceiver and the remote transceiver. The vehicular wireless communication system is responsive to the request by downloading to the vehicle turn-by-turn directions generally from the current location to the destination, the turn-by-turn directions being derived from a database and a display in the vehicle, preferably at the interior rearview mirror assembly, displaying turn-by-turn instructions to the driver of the vehicle.

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A vehicular navigation system is provided that includes a vehicular wireless communication system that comprises a global-positioning system receiver in a vehicle, the global-positioning system receiver operable to receive data indicative of the geographic position of the vehicle from satellites ext

A vehicular navigation system is provided that includes a vehicular wireless communication system that comprises a global-positioning system receiver in a vehicle, the global-positioning system receiver operable to receive data indicative of the geographic position of the vehicle from satellites external to the vehicle. The vehicular wireless communication system includes a wireless communication link between a transceiver in the vehicle and a transceiver at a site remote from the vehicle whereby wireless communication can exist between the vehicular transceiver and the remote transceiver. The vehicular wireless communication system is responsive to the request by downloading to the vehicle turn-by-turn directions generally from the current location to the destination, the turn-by-turn directions being derived from a database and a display in the vehicle, preferably at the interior rearview mirror assembly, displaying turn-by-turn instructions to the driver of the vehicle. or the user to travel from the current location to the appointment location. 4. The method of claim 1 wherein the notifying uses at least one of an audible alarm, an audible message, an electronic mail message and a calendar note. 5. The method of claim 4 further comprising: transmitting the at least one of the audible alarm, the audible message, the electronic mail message and the calendar note from a GPS based device to a non-GPS based device. 6. The method of claim 1 further comprising issuing a user status notice to the appointment location if the current time reaches the alarm time. 7. A method of notifying a user of an appointment for which an appointment time and appoint location are provided, the method comprising: determining a current location of a wireless device operated by the user; estimating a travel time for the user to travel from the current location to the appointment location; determining a lead time for the user to prepare prior to travel from the current location to the appointment location; wherein determining the lead time comprises at least one of: utilizing historical appointment timeliness information of the user; and utilizing calendar information indicating activity of the user during particular time slots; determining an alarm time using the estimated travel time, the lead time and the appointment time; and notifying the user of the wireless device of the appointment if a current time reaches the alarm time. 8. The method of claim 7, wherein utilizing historical appointment timeliness information of the user comprises calculating a projected lead time using a timeliness value for a previous trip to the appointment location, wherein the timeliness value is a time quantity by which the user arrived early to the appointment location. 9. The method of claim 7, wherein utilizing historical appointment timeliness information of the user comprises selecting a projected lead time from one of a calendar event projected lead time and a location projected lead time, wherein the calendar event projected lead time is based on a regularly repeating activity in a schedule of the user during which the user left for the appoint location on previous trips and wherein the location projected lead time is based on a departure location at which the user was present when previous alarms were signaled for previous trips to the appointment location. 10. A wireless device for notifying a user of an appointment, the apparatus comprising: a memory for storing a travel prediction program and appointment information; a wireless interface for receiving information from a remote location in a wireless communications network; and a processor which, upon executing the time prediction program, is configured to: receive an appointment time and an appointment location previously stored in the memory for the appointment; estimate a travel time for the user to travel from a current location of the user to the appointment location; determine a lead time for the user to prepare prior to travel from the current location to the appointment location, wherein the lead time is determined by utilizing at least one of: historical appointment timeliness information of the user; and calendar information indicating activity of the user during particular time slots; determine an alarm time using the estimated travel time, the determined lead time and the appointment time, and notify the user of the wireless device of the appointment if a current time reaches the determined alarm time. 11. The wireless device of claim 10 further comprising: a position detector for detecting the current location of the wireless device. 12. The wireless device of claim 11 wherein the position detector comprises a global positioning system (GPS) device. 13. The wireless device of claim 10 wherein the processor is configured to utilize historical appointment timeliness information of the user by calculating a projected lead time usin g a timeliness value for a previous trip to the appointment location, wherein the timeliness value is a time quantity by which the user arrived early to the appointment location. 14. The wireless device of claim 13 wherein the processor is configured to utilize historical appointment timeliness information of the user by selecting a projected lead time from one of a calendar event projected lead time and a location projected lead time, wherein the calendar event projected lead time is based on a regularly repeating activity in a schedule of the user during which the user left for the appoint location on previous trips and wherein the location projected lead time is based on a departure location at which the user was present when previous alarms were signaled for previous trips to the appointment location. 15. A computer readable medium containing a program which, when executed, performs operations of notifying a user of an appointment for which an appointment time and appoint location are provided, the operations comprising: estimating a travel time for the user to travel from a current location of the user to the appointment location; determining a lead time for the user to prepare prior to travel from the current location to the appointment location, wherein determining the lead time comprises determining a progressive lead time scheme comprising at least two lead time periods; determining an alarm time using the estimated travel time, the lead time and the appointment time, wherein determining the alarm time comprises determining an alarm time for each of the at least two lead time periods; and notifying the user of the wireless device of the appointment if a current time reaches the alarm time. 16. The computer readable medium of claim 15, wherein determining the alarm time comprises: subtracting the estimated travel time from the appointment time to obtain a projected start time; and subtracting the determined lead time from the projected start time to obtain the alarm time. 17. The computer readable medium of claim 15, wherein the notifying comprises utilizing at least one of an audible alarm, an audible message, an electronic mail message and a calendar note. 18. The computer readable medium of claim 17, further comprising: transmitting the at least one of the audible alarm, the audible message, the electronic mail message and the calendar note from a GPS based device to a non-GPS based device. 19. The computer readable medium of claim 15, wherein the estimating, the determining of the lead time and the determining of the alarm time are repeated periodically until the notifying occurs. 20. A computer readable medium containing a program which, when executed, performs operations of notifying a user of an appointment for which an appointment time and appoint location are provided, the operations comprising: estimating a travel time for the user to travel from a current location of the user to the appointment location; determining a lead time for the user to prepare prior to travel from the current location to the appointment location; wherein determining the lead time comprises at least one of: utilizing historical appointment timeliness information of the user; and utilizing calendar information indicating activity of the user during particular time slots; determining an alarm time using the estimated travel time, the lead time and the appointment time; and notifying the user of the wireless device of the appointment if a current time reaches the alarm time. 21. The computer readable medium of claim 20, wherein utilizing historical appointment timeliness information of the user comprises calculating a projected lead time using a timeliness value for a previous trip to the appointment location, wherein the timeliness value is a time quantity by which the user arrived early to the appointment location. 22. The computer readable medium of claim 20, wherein utilizing historical appointment timeline ss information of the user comprises selecting a projected lead time from one of a calendar event projected lead time and a location projected lead time, wherein the calendar event projected lead time is based on a regularly repeating activity in a schedule of the user during which the user left for the appoint location on previous trips and wherein the location projected lead time is based on a departure location at which the user was present when previous alarms were signaled for previous trips to the appointment location. 23. A method of notifying a user of an appointment for which an appointment time and appoint location are provided, the method comprising: determining a current location of a wireless device operated by the user; estimating a travel time for the user to travel from the current location to the appointment location; determining a lead time for the user to prepare prior to travel from the current location to the appointment location, wherein determining the lead time comprises applying user stress factors reflecting user responses to driving conditions; determining an alarm time using the estimated travel time, the lead time and the appointment time; and notifying the user of the wireless device of the appointment if a current time reaches the alarm time. system in claim 1 wherein said interior rearview mirror assembly comprises a housing and wherein said display is positioned at said housing. 8. The system in claim 1 wherein said vehicle further includes at least one exterior rearview mirror assembly including an exterior reflective element and an exterior mirror housing. 9. The system in claim 8 wherein said global-positioning system receiver comprises an antenna. 10. The system in claim 9 wherein said antenna is positioned at one of said interior mirror assembly and said exterior mirror assembly. 11. The system in claim 10 wherein said antenna is positioned at said interior mirror assembly. 12. The system in claim 10 wherein said antenna is positioned at said exterior rearview mirror assembly. 13. The system in claim 1 wherein said receiver is positioned at said interior mirror assembly. 14. The system in claim 1 wherein said navigation system includes a vehicle data bus connection that comprises one of a LIN and a CAN bus. 15. The system in claim 1 wherein said navigation system includes a wireless communication that comprises a BLUETOOTH protocol. 16. The system in claim 1 wherein said display has an aspect ratio of width-to-height that is greater than or equal to 3. 17. The system in claim 16 wherein said display has an aspect ratio of width-to-height that is greater than or equal to 5. 18. The system in claim 17 wherein said display has an aspect ratio of width-to-height that is greater than or equal to 10. 19. The system in claim 1 wherein said display has a height that is greater than or equal to 4 millimeters. 20. The system in claim 19 wherein said display has a height that is greater than or equal to 5 millimeters. 21. The system in claim 20 wherein said display has a height that is greater than or equal to 6 millimeters. 22. The system in claim 1 wherein said display has a width that is greater than or equal to 5 millimeters. 23. The system in claim 22 wherein said display has a width that is greater than or equal to 7 millimeters. 24. The system in claim 23 wherein said display has a width that is greater than or equal to 10 millimeters. 25. The system in claim 1 wherein said display displays at least one of compass and directional heading information. 26. The system in claim 1 further including an audio output generator indicating a need to change direction. 27. The system in claim 1 wherein said display comprises a reconfigurable display. 28. The system in claim 27 wherein said display also displays other vehicle functions. 29. The system in claim 1 wherein said user input comprises voice input. 30. The system in claim 29 wherein said vehicle includes a sound system for receiving voice commands from the driver. 31. The system in claim 1 including an alert to the driver. 32. The system in claim 31 wherein said alert comprises an audible alert. 33. The system in claim 31 wherein said alert comprises a visible alert. 34. The system in claim 33 wherein said visible alert comprises a flashing display. 35. The system in claim 31 wherein said alert comprises an alert that a turn is being approached. 36. The system in claim 31 wherein said alert comprises an alert that a turn has been missed. 37. The system in claim 1 wherein said user input comprises a keypad. 38. The system in claim 37 wherein said keypad is connected with said interior mirror assembly. 39. The system in claim 37 wherein said keypad is wirelessly connected with said interior mirror assembly. 40. A navigation system suitable for use in a vehicle comprising: a vehicle; said vehicle including an interior rearview mirror assembly, said interior rearview mirror assembly comprising an interior reflective element; a vehicular wireless communication system; said vehicular wireless communication system comprising a global-positioning system receiver, said vehicle including said global-positioning system receiver, said global-positioning system receiver operable to receive data indicative of the geographi