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:
Tire and Wheel Replacement
Replace your tires with radials of the same size, load range, speed rating,
and
maximum cold tire pressure rating (as shown on the tire’s sidewall). Using tires
of a
different size or construc ...
Front Brake Hose Replacement
Raise and support the vehicle.
Remove the front wheel.
Disconnect the brake line (A) from the brake hose (B), then remove the brake
hose bracket (C).
...
Tire Pressure Sensor Replacement (USA models)
Removal
notice
Each tire pressure sensor contains a lithium anode battery that is
not removable. The complete tire pressure sensor should be disposed of
according t ...