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:
Accessories and Modifications
WARNING
Improper accessories or modifications can
affect your vehicle’s handling, stability, and
performance, and cause a crash in which
you can be seriously hurt or killed.
Follow all instru ...
General Commands
Display menu (if en route, displays the
Route screen)
Display navigation (if en route, displays
the Route screen)
Display map
Display map guide (when en route,
shows the next guidance point)
Di ...
PCV Valve Inspection
Remove the harness holder (A).
Check the PCV valve (A), the hoses (B), the pipe (C), and the connections
for leaks or restrictions.
At idle, make sure there is ...