Lane Following Assist settings
Turning Lane Following Assist ON/OFF
With the ignition switch or ENGINE START/STOP button in the ON position, shortly press Lane Following Assist button located
on the steering wheel to turn on Lane Following Assist. The white or green 
indicator light will appear on the cluster.
Press the button again to turn off the function.
If the engine is restarted, the function will maintain the last setting.
Warning Volume
With the ignition switch or ENGINE START/STOP button in the ON position, select 'Driver Assistance → Warning Volume' from the Settings menu to change the Warning Volume to 'High', 'Medium' or 'Low' for Hands-off warning.
If you change the Warning Volume, the Warning Volume of other Driver Assistance systems may change.