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:
Guidance Screen
...
Warranty Coverages
■ U.S. Owners
Your new vehicle is covered by these warranties:
New Vehicle Limited Warranty – covers your new vehicle, except for the
emissions control systems and accessories, against defe ...
Splash Shield Replacement
NOTE:
Put on gloves to protect your hands.
Take care not to scratch the body.
Remove the splash shield (A).
From the wheel arch on both sides, remove the clips (B) ...