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. ...
Alternator Reassembly
If you removed the pulley, put the rotor in the drive-end housing, then torque
its locknut to 110 N·m (11.2 kgf·m, 81 lbf·ft).
Remove any grease or any oil from the ...
DOT Tire Quality Grading (U.S. Vehicles)
The tires on your vehicle meet all U.S. Federal Safety Requirements.
All tires are also graded for treadwear, traction, and temperature performance
according to Department of Transportation (DOT) s ...