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:
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 ...
GPS System
The signals received from the GPS satellites
are extremely weak (less than a millionth
of the strength of a local FM station) and
require an unobstructed view of the sky.
The GPS antenna is loca ...
Alternator Brush Inspection
Measure the length of both brushes (A) with a vernier caliper:
If either brush is shorter than the service limit, replace the brushes,
go to step
20.
If brush length ...