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 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 ...
For Safe Driving
The following pages explain your vehicle’s safety features and how to use
them
properly. The safety precautions below are ones that we consider to be among the
most important. ...
Removal (Part -3)
Remove the secondary HO2S harness bracket (A) from the steering gearbox.
NOTE: Do not disconnect the secondary HO2S 4P connector and the secondary HO2S.
...