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:
Inspection and Maintenance
For your safety, perform all listed inspections and maintenance to keep your
vehicle
in good condition. If you become aware of any abnormality (noise, smell,
insufficient
brake fluid, oil residu ...
Fuel and Emissions System Description - Electronic Control System
Electronic Control Systems
The functions of the fuel and emission control systems are managed by the
engine control module (ECM) on vehicles with manual transmissions or the
powertrain cont ...
Spark Plug Inspection
Remove the ignition coils and the spark plugs.
Inspect the electrodes and the ceramic insulator:
Burned or worn electrodes may be caused by these conditions:
...