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:
Front Airbags (SRS)
The front SRS airbags inflate in a moderate-to-severe frontal collision to
help protect
the head and chest of the driver and/or front passenger.
SRS (Supplemental Restraint System) indicates tha ...
Safety When Performing Maintenance
Some of the most important safety precautions are given here.
However, we cannot warn you of every conceivable hazard that can arise in
performing maintenance. Only you can decide whether or not y ...
Exhaust Pipe and Muffler Replacement
NOTE: Use new gaskets and self-locking nuts when reassembling.
...