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:
Voice Control Operation
1 Press and release the (Talk)
button.
A helpful prompt asks what you
would like to do. Press and release
the (Talk) button again to bypass
this prompt.
► The icon is displayed and ...
Front Seat Frame Replacement
Driver's Seat
Check the operation of the driver's seat position sensor after
any of these actions :
Driver's seat position sensor replacement
Cover plate (f ...
PCV Valve Inspection
Remove the harness holder (A).
Check the PCV valve (A), the hoses (B), the pipe (C), and the connections
for leaks or restrictions.
At idle, make sure there is ...