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:
Going Home
1 Press the DEST button.
2 Select Go Home 1.
Alternatively, you can say “Go
Home” from any screen. Your home
address is displayed on the Calculate
Route screen.
3 Select Set as Dest.
& ...
Customer Service Information
Honda dealership personnel are trained professionals.
They should be able to answer all your questions. If you encounter a problem
that
your dealership does not solve to your satisfaction, pleas ...
Exterior Lights System Description
Headlights System Description
The headlight system is composed of the MICU, the headlight and dimmer/flash-to-pass
switches (inside the combination light switch), the left and right headlights, ...