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:
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 ...
Driving to Your Destination
This section describes how to follow the route guidance to your destination,
and
choose the icons displayed on the map screen. ...
Air Cleaner Removal/Installation
Disconnect the MAF sensor/IAT sensor connector(A), then remove the air
cleaner cover (B) and the air cleaner element (C).
NOTE: Be careful not to damage the MAF sensor/IAT sensor on the air ...