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:
Accessory Power Socket Test/Replacement
NOTE: If the accessory power socket does not work, check the No. 13 (20 A) fuse
in the under-dash fuse/relay box and ground (G502) first.
Remove the dashboard center lower trim.
...
Fuse Locations
If any electrical devices are not working, turn the ignition switch to LOCK
(0 and
check to see if any applicable fuse is blown.
Fuse locations are shown on the fuse box cover. Locate the fuse i ...
Wheels
Clean the wheels as you would the rest of the exterior. Wash them with the same
solution, and rinse them thoroughly.
If equipped
Aluminum alloy wheels have a protective clear-coat that keeps the a ...