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:
Lights
Headlight Aiming
The headlights were properly aimed when your vehicle was new. If you regularly
carry heavy items in the cargo area, readjustment may be required. Adjustments should
be done by yo ...
Front Airbags (SRS)
The front SRS airbags inflate in a moderate-to-severe frontal collision to
help protect
the head and chest of the driver and/or front passenger.
SRS (Supplemental Restraint System) indicates tha ...
Features
Audio System
For navigation system operation
See Navigation System Manual
...