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:
Controls
This chapter explains how to operate the various controls necessary for
driving. ...
Temporarily Repairing a Flat Tire
Canadian models with automatic transmission
If the tire has a large cut or is otherwise severely damaged, you will need
to have the
vehicle towed. If the tire only has a small puncture, from a nai ...
Tire Service Life
The life of your tires is dependent on many factors, including driving
habits, road
conditions, vehicle loading, inflation pressure, maintenance history, speed, and
environmental conditions (even ...