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:
System Theft Protection
The system is disabled when it is disconnected from the power source, such as
when
the battery is disconnected or goes dead.
■ Reactivating the system
1. Turn the ignition switch to ON (II) ...
Regulator Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages except the air check valve filter.
Inspect the regulator valve body for scoring and ...
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 ...