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:
Turn Signals
The turn signals can be used when the ignition
switch is in ON .
...
Installation (Part -1)
Before installing the steering gearbox, make sure that no grease is on
the mating surface of the steering gearbox and the front subframe. To
prevent the gearbox mounting bolts from looseni ...
Dashboard/Steering Hanger Beam Disassembly/Reassembly (Page-1)
Special Tools Required
KTC Trim Tool Set SOJATP2014
*Available through the Honda Tool and Equipment Program; call 888-424-6857
NOTE:
Put on gloves to protect your hands.
...