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:
Engine Oil/Air Separator Installation
Remove all of the old liquid gasket from the oil/air separator mating
surfaces, the bolts, and the bolt holes.
Clean and dry the oil/air separator mating surfaces.
App ...
A/T Housing Reverse Idler Gear Installation (A/T)
Lightly coat the reverse idler gear shaft (A), the needle bearing (B),
and new O-rings (C) with lithium grease.
Assemble the new O-rings and the needle bearing on the reverse ...
Shift Solenoid Valve Removal and Installation (A/T)
NOTE: Do not hold the solenoid valve connector to remove and install the
solenoid valve. Be sure to hold the solenoid valve body.
Remove the mounting bolts, then remove the solenoid valves by ...