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:
Output Shaft (Countershaft) Speed Sensor Replacement (A/T)
Remove the air cleaner assembly.
Disconnect the output shaft (countershaft) speed sensor connector, and
remove the output shaft (countershaft) speed sensor (A).
...
Setting the Clock
Clock
Models without navigation system
You can adjust the time in the clock display, using the CLOCK button with the
ignition switch in ACCESSORY or ON
.
Models without navigation system
Press ...
Installation (Part -3)
Remove the vinyl tape from the connectors.
Connect the EPS motor angle sensor 8P connector (A), torque sensor 6P connector (B) to the steering gearbox.
...