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:
Setting Up Speed Dialing
PHONE button
► Speed Dial 1 or Speed Dial 2
Create speed dial entries with voice tags for easy calling.
1. Select Add New.
2. Select a number entry option.
3. Select a number.>
4. ...
Safe Driving
You can find many safety recommendations throughout this chapter, and
throughout this manual. ...
Fuel Tank Draining
Remove the fuel tank unit.
Using a hand pump, a hose, and a container suitable for fuel, draw the
fuel from the fuel tank.
Reinstall the fuel tank unit.
...