2003 Toyota 4Runner Navigation Manual - Page 293
2003 Toyota 4Runner Manual
Page 293 highlights
4Runner_Navi_U (L/O 0301) Auto reroute When the auto reroute feature is turned on, the system will automatically search for a new route to the destination if you leave the guidance route. This feature does not operate while you are driving on roads where the guidance is not available. 97 2003 4RUNNER Navigation from Jan. '03 Prod. (OM35808U)