G35x Sedan AWD V6-3.5L (VQ35HR) (2007)
6. Select Installing updated map
7. Insert the Map Data Master Disc 1 into the C-III DVD drive.
8. Confirm the correct name of the DVD drive is displayed (see Figure 1-5).
^ "E" is likely the correct name for the DVD drive.
^ The DVD drive name may be different depending on the drive configuration of your C-III computer.
9. Select START
^ Installation of the update map will start and a progress screen will display.
^ Installation will take several minutes.
^ At about 35% this message will display: