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:
Rear Bumper Removal/Installation
NOTE:
Put on gloves to protect your hands.
Have an assistant help you when removing and installing the rear bumper.
Take care not to scratch the rear bumper or the body.
...
Fuel Economy
Actual Mileage and EPA Fuel Economy Estimates Comparison.
Fuel economy is not a fixed number.
It varies based on driving conditions, driving habits and vehicle condition.
Therefore, it is not possi ...
Malfunction Indicator Lamp
If this indicator comes on while driving, it means one of the engine’s emissions
control systems may have a problem. Even though you may feel no difference in your
vehicle’s performance, it ...