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:
Accelerator Pedal Module Removal/Installation
Remove the driver's dashboard lower cover.
Disconnect the APP sensor connector (A).
Remove the accelerator pedal module (B).
NOTE:
The APP sensor ...
Engine Oil/Air Separator Installation
Remove all of the old liquid gasket from the oil/air separator mating
surfaces, the bolts, and the bolt holes.
Clean and dry the oil/air separator mating surfaces.
App ...
iPod®/USB Flash
If an error occurs while playing an iPod® or USB flash drive, you may see the
following error messages. If you cannot clear the error message, contact a
dealer.
...