Press the MENU button to access the system settings key.
Press the touchscreen key for the item that you wish to select or turn the scrolling dial clockwise or counterclockwise to scroll through the menu items until the preferred item is highlighted and then press the Tune knob/AUDIO button to select.
When a route is active, press the MENU button and then touch the Traffic Information key to display the traffic event nearest the current vehicle location. The location and nature of the traffic event is displayed on the screen.
To go back, Press the BACK key on the touchscreen or BACK button. The previous screen will be displayed.