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:
Connecting Rod and Crankshaft End Play Inspection
Remove the oil pump.
Measure the connecting rod end play with a feeler gauge (A) between the
connecting rod (B) and the crankshaft (C).
Connecting Rod End Play
...
Compact Spare Tire
Use the compact spare tire as a temporary replacement only. Get your regular
tire repaired or replaced, and put it back on your vehicle as soon as you can.
Check the inflation pressure of the compa ...
Playing a USB Flash Drive
Your audio system reads and plays sound files on a USB flash drive in either
MP3,
WMA or AAC*1 format.
Connect your USB flash drive to the USB adapter cable, then press the AUX
button.
*1:O ...