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:
Removal
Drain the engine coolant.
Remove the air cleaner.
Remove the heater hose clamp bracket mounting bolt (A) and the harness
holder mounting bolt (B).
...
Guidance Prompts
INFO button
► Setup
Set the number of guidance prompts before you get to the guidance point.
Select an option.
The following options are available:
To replay voice guidance, select VOI ...
Winter Tires
If driving on snowy or frozen roads, mount all season marked “M+S” tires,
snow
tires, or tire chains; reduce speed; and maintain sufficient distance between
vehicles
when driving.
Be part ...