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:
ABS (Anti-lock Brake System)
NOTICE
The ABS may not function correctly if you use an
incorrect tire type and size.
When the ABS indicator comes on while driving,
there may be a problem with the system.
While normal braki ...
Accessories and Modifications
Modifying your vehicle, or installing some non-Honda accessories, can make it
unsafe. Before you make any modifications or add any accessories, be sure to read
the following information.
Accessor ...
A/T Clutch Pressure Control Solenoid Valve B and C Replacement (A/T)
Remove the air cleaner assembly.
Remove the breather hose (A) from its clamp (B), and remove the breather
hose clamp bracket (C).
Disconnect the connectors (A) ...