How to turn on the Audi A1's lane departure warning?

I'm having trouble finding the setting for lane departure warning on my Audi A1. Can someone explain where to find it and how to turn it on?

The lane departure warning setting can be found in the vehicle settings menu, under the driver assistance options. Make sure to select the correct detection sensitivity for your driving style.

To turn on the lane departure warning, press the button with the car and lane symbol located on the side mirror control panel. This setting can also be adjusted in the Menu under the Driver Assistance options.