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:
iPod®
...
Lower Front Bumper Grille Cover Replacement
Canada Models Without Front Fog Lights
NOTE:
Put on gloves to protect your hands.
Take care not to scratch the front bumper.
Remove the front bumper.
Remove ...
Rocker Arm and Shaft Disassembly/Reassembly
NOTE:
Identify each part as it is removed so that each item can be reinstalled
in its original location.
Inspect the rocker arm shaft and the rocker arms.
If reused, the ...