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:
Entering a Destination
DEST button
This section describes how to enter a destination for route guidance.
Select an item.
Select DEST Menu 2 to display
additional menu entries.
The following items are avail ...
Dust and Pollen Filter
On models with A/C
This filter removes the dust and pollen that is brought in fromthe outside through
the heating and cooling system.
Have your dealer replace the filter when this service is indic ...
Output Shaft (Countershaft) Speed Sensor Replacement (A/T)
Remove the air cleaner assembly.
Disconnect the output shaft (countershaft) speed sensor connector, and
remove the output shaft (countershaft) speed sensor (A).
...