See also:

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. ...

Deleting the registered data
Select “Delete Entry” using a voice command or the “TUNE/ SEL” knob. Pattern A Select the data to be deleted by either of the following methods, and select “Confirm” using a voice ...

Overview button and guidance screen
*: Press and hold the “PWR·VOL” knob for 3 seconds or more to turn off the screen and restart the navigation system. Do this when the vehicle-mounted device response is extremely slow. ...