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:
Multiplex Integrated Control System Description
Body Controller Area Network (B-CAN) and Fast Controller
Area Network (F-CAN)
The body controller area network (B-CAN) and the fast controller area network
(F-CAN) share information between ...
Fuel and Emissions System Description - PGM-FI System
PGM-FI System
The programmed fuel injection (PGM-FI) system is a sequential multiport
fuel injection system.
Alternator Control
The alternator signals the ECM/PCM during chargi ...
Security System
On Sport model
The security system helps to protect your vehicle and valuables from theft.
The horn sounds and a combination of headlights, position lights, side marker
lights and taillights flash ...