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:
Service Station Procedures
Refueling
1. Park with the driver’s side closest to the service station pump.
2. Outside of the vehicle, open the fuel fill door by pulling its notched edge.
3. Remove the fuel fill cap slowly. ...
Command Help
For “Command Help” menu items, all voice
commands that are available for that
system are listed.
Select Read to hear the commands in the
list read aloud.
Voice Commands ...
Switching to HFL Mode
1. If you receive a call when
Bluetooth® Audio is playing, press
the (Pick-Up) button on the
steering wheel to answer the call.
2. Press the (Hang-Up) button to
end the call, and Bluetooth® ...