If a disc error occurs, you may see the following error messages.

Fuel Tank Draining
Remove the fuel tank unit.
Using a hand pump, a hose, and a container suitable for fuel, draw the
fuel from the fuel tank.
Reinstall the fuel tank unit.
...
Coordinate
DEST button
►DEST Menu 2►Coordinate
Specify a location using latitude and longitude map coordinates.
1. Enter the latitude. Select OK.
2. Enter the longitude. Select OK.
3. Scrol ...
Numbers
...