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:
Pressure Plate Inspection and Removal
Remove the transmission.
Check the evenness of the height of the diaphragm spring fingers using
the clutch alignment disc (A), clutch alignment shaft (B), remover handle
(C ...
FTP Sensor Replacement
Remove the EVAP canister.
Disconnect the FTP sensor connector (A).
Disconnect the hose (B), remove the retainer (C), and remove the FTP
sensor (D).
Ins ...
Resetting the Clock Settings
INFO button
► Setup ►Other
►Clock Adjustment►Clock Adjustment
Reset all clock settings to the factory defaults.
Select OK under Reset. ...