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:
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.
...
Audio System Theft Protection
The audio system is disabled when it is disconnected from the power source,
such as
when the battery is disconnected or goes dead.
■ Entering the Audio Security Code
ENTER CODE appears on ...
Off-road Tracking
INFO button
► Setup ►Other
►Vehicle
The navigation system can be set to display white off-road tracking dots
(“breadcrumbs”) on the map screen whenever you drive into an are ...