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:
Transmission Side - Release Bearing Installation
Apply high temp urea grease (P/N 08798-9002) to the release fork (A), the
release fork bolt (B), the release bearing (C), and the release bearing
guide (D) in the shaded areas, then set th ...
Honda Automobile Customer Service Contact Information
Honda Navi
American Honda Motor Co., Inc.
Honda Customer Service
Mail Stop 500-2N-7E
1919 Torrance Blvd.
Torrance, CA 90501-2746
Tel: (800) 999-1009
Fax: (310) 783-3273 ...
Manual Transmission
Release the parking brake.
Shift the transmission to neutral.
Leave the ignition switch in ACCESSORY (I) so the steering wheel does not
lock.
Make sure all accessories ar ...