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:
A/C System Evacuation (With A/C)
Special Tools Required
Compact Electronic Vacuum Gauge Robinair ROB14777, commercially available
*This tool is available through the Honda Tool and Equipment Program; call
888-424-6857
...
Ignition Switch Replacement
NOTE: SRS components are located in the area. Review the
SRS component locations, and
precautions and procedures before doing repairs or
servicing.
Do the battery terminal di ...
Precautions While Driving
NOTICE
Do not operate the shift lever while pressing the
accelerator pedal. You could damage the
transmission.
If the ignition switch is turned to ACCESSORY
or
LOCK while driving, the engine ...