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:
CKP Sensor Replacement
Raise the vehicle on a lift.
NOTE: Make sure the vehicle is level, because engine oil will drip out
when you remove the sensor.
Loosen the bolt (A). Remove the bolt (B) and ...
Change Lever Clearance Inspection (M/T)
Measure the clearance between the change lever (A) and the select lever
(B) with a feeler gauge (C). If the clearance is more than the service
limit, go to step 2.
...
Airbag and Tensioner Disposal
Special Tools Required
Deployment Tool 07AAZ-000A100
Before scrapping any airbags, side airbags, side curtain airbags, seat belt
tensioners (including those in a whole vehicle to be scrapped) ...