Patent ID: 7158881

Claim:
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, said interior rearview mirror assembly further comprising a display; a database at a site remote from said vehicle, said database including at least one chosen from map data and directory data; a global-positioning system receiver, said global-positioning system receiver locatable in said vehicle during a road journey, said global-positioning system receiver operable to receive signals from satellites external to said vehicle; a transceiver operable to engage in a wireless communication with a remote transceiver located at a site remote from said vehicle, said transceiver locatable in said vehicle during said road journey; said transceiver operable to receive a wireless data transmission from said remote transceiver of data derived from said database; a user input whereby a user can input a destination, said system responsive to said input of said destination by wirelessly communicating said destination to said remote transceiver; said wireless data transmission from said remote transceiver to said transceiver comprising downloading of directions generally to said destination, said directions being derived from said database; said display at said interior mirror displaying turn-by-turn instructions to said destination during said road journey, said turn-by-turn instructions being based on said downloaded directions and on said signals received by said global-positioning system receiver; wherein said turn-by-turn instructions comprise at least one chosen from (i) direction, (ii) when to turn, and (iii) how far until the turn; and wherein said navigation system includes a short-range wireless communication link.