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:
Gearshift Mechanism Replacement (M/T)
NOTE: Make sure not to get any silicone grease on the terminal part of the
connectors and switches, especially if you have silicone grease on your hands or
gloves.
...
Rear Seat Belt Replacement
Rear Seat Belt
NOTE:
Check the rear seat belts for damage, and replace them
if necessary.
Remove these items:
Rear door inner seal, as needed
Tailgate weatherst ...
Tailgate Adjustment
NOTE:
Have an assistant help you when adjusting the tailgate.
Take care not to scratch the tailgate, the body or other related parts.
Put on gloves to protect your hands.
...