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:
Changing a Flat Tire
If you have a flat tire while driving, stop in a safe place to change it.
Drive slowly along the shoulder until you get to an exit or an area to stop that
is far away from the traffic lanes.
The ...
Map Display Commands
Display current location (shows current
latitude, longitude, and elevation)
Display/Hide (specify icon type):
ATM
gas station
restaurant
post office
grocery store
lodging (hotel, motel)
parki ...
Navigation—Entering a Destination
Enter your destination using one of several methods, then follow route
guidance on the map or guidance screen to your destination. You
can also perform these steps using
voice control.
1 Press ...