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:
Resuming Your Trip
Stop your vehicle en route (e.g., to rest, stop for gas, etc.), and then
continue on
your route.
If you did not complete your route, the Continue Trip screen is displayed when
you
restart you ...
Inboard Joint Side
Remove the boot bands. Be careful not to damage the boot.
If the boot band is welded type (A), cut the boot band.
If the boot band is a double loop type (B), lift up the ban ...
Checking and Maintaining Wiper Blades
Checking Wiper Blades
If the wiper blade rubber has deteriorated, it will leave streaks and the
metal wiper
arm may scratch the window glass ...