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:
Washer Reservoir Replacement
Remove the front bumper.
Disconnect the 2P connector (A) and tubes (B) from the washer motor (C)
and the washer fluid level switch (Canada models).
...
If the EPS System Indicator Comes On
■ Reasons for the indicator to come on
• Comes on when there is a problem with EPS system.
• If you depress the accelerator pedal repeatedly to increase the engine
speed while the engin ...
Valve Stem-to-Guide Clearance Inspection
Remove the valves.
Subtract the O.D. of the valve stem, measured with a micrometer, from the
I.D. of the valve guide, measured with an inside micrometer or ball gauge.
Take t ...