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:
Vehicle
INFO button
► Setup ►Other
►Vehicle
Set the off-road tracking feature and correct the vehicle position displayed
on the
map.
Select an item.
The following items are availa ...
Engine Does Not Start
Checking the Engine
If the engine does not start, turn the ignition switch to START
and check the
starter.
If you must start the vehicle immediately, use an
assisting vehicle to jump start it. ...
Disc Player
...