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:
Reassembly
Apply Molykote 44MA grease to the sliding surface of the pivot pin (A) and
the parking brake lever (B) for the rearward brake shoe (C).
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Clutch Wave-Plate Phase Difference Inspection (A/T)
Place the clutch wave-plate (A) on a surface plate, and set a dial
indicator (B) on the wave-plate.
Find the bottom (C) of a phase difference of the wave-plate, zero the
di ...
How to Set Readiness Codes
Malfunction Indicator Lamp (MIL) Indication (In relation to Readiness
Codes)
The vehicle has certain readiness codes that are part of the on-board
diagnostics for the emissions systems. If the ve ...