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:
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.
...
Identification Numbers
Your vehicle has several identifying numbers in various places.
The vehicle identification number (VIN) is the 17-digit number your dealer uses
to register your vehicle for warranty purposes. It is ...
Audio Antenna
Your vehicle is equipped with a removable
antenna at the rear of the roof.
NOTICE
Before using a “drive-through” car wash, remove the
antenna by unscrewing it by hand. This prevents the
ant ...