"Adjust Current Location" Mode

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Move marker to correct location.
Select "SET" and then vehicle mark will be located in the current position.
Select an icon "right" or "left" to calibrate the heading direction. (Arrow marks will rotate corresponding to the calibration key.)

Fig 1: Navigation Setting Display - Identifying "Adjust Current Location"
Courtesy of NISSAN MOTOR CO., U.S.A.
Select "Set". Then the vehicle mark will be matched to the arrow mark.

Fig 2: Identifying "Set" Button
Courtesy of NISSAN MOTOR CO., U.S.A.