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:
Tire Pressure Sensor Replacement (USA models)
Removal
notice
Each tire pressure sensor contains a lithium anode battery that is
not removable. The complete tire pressure sensor should be disposed of
according t ...
Resolving Problems
If you run into a specific issue that you
cannot resolve, consult the following help
resources:
• For navigation system issues:
There are also FAQs available online at
automobiles.honda.com.
â ...
Anti-lock Brakes (ABS)
The anti-lock brake system (ABS) helps prevent the wheels from locking up, and
helps you retain steering control by pumping the brakes rapidly, much faster than
a person can do it.
The electronic ...