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:
Flywheel Replacement
Install the ring gear holder.
Loosen the flywheel mounting bolts in a crisscross pattern in several
steps. Remove the bolts, then remove the flywheel and the ring gear holder. ...
Drive Belt Auto-Tensioner Inspection
Turn the ignition switch to ON (II), and make sure to turn the A/C switch
OFF, then turn the ignition switch to LOCK (0).
Check the position of the auto-tensioner indicator (A). S ...
Instrument Panel
Gauges/Information Display/System Indicators
Lights Reminders
System Indicators
System Indicators
System Indicators
System Indicators
...