When the VSC/TRAC or Active TRAC/hill-start assist control systems are operating
If the vehicle is in danger of slip- ping or rolling backward when starting on an incline, or if any of the drive wheels spins, the slip indi- cator light flashes to indicate that the VSC/TRAC or Active TRAC/ hill-start assist control systems are operating.
A buzzer (intermittent) sounds to indicate that VSC is operating.
The stop lights and high mounted stoplight turn on when the hill-start assist control system is operating.

See also:
Navigation system: basic functions
Basic information before operation ...
Phonebook
INFORMATION
Phonebook data is managed for every registered phone. When another phone is
connecting, you can not read the registered data.
“Phonebook” is accessed from the “Phonebook Settings ...
Initialization
Items to initialize
The following items must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on the vehicle.
...
