Depending on the length of time the power was interrupted, your system may require GPS initialization.

If initialization is not necessary, the system proceeds directly to the Startup Confirmation screen.
If the system fails to locate a sufficient number of satellites to locate your position within 10 minutes, the following screen is displayed.

If you are experiencing GPS reception problems:
Spark Plug Inspection
Remove the ignition coils and the spark plugs.
Inspect the electrodes and the ceramic insulator:
Burned or worn electrodes may be caused by these conditions:
...
Adding a Waypoint
(“Pit Stop”)
You can add up to four waypoints along
your route.
1 Press the DEST button.
2 Select Waypoint.
3 Select search method.
When you select Places Around the
Waypoint, select the desired waypoint.
...
Hood Opener Cable Replacement
NOTE:
Put on gloves to protect your hands.
Take care not to scratch the body or its related parts.
Remove these items:
Front grille cover
Front ...