The guidance light illuminates the area surrounding your vehicle to help you see in low light conditions. You can enable it and select a time duration via the center display. The guidance light automatically activates when your vehicle is locked and deactivates after the selected time period.
Press the vehicle symbol
in the bottom bar and go to Settings.

Go to .
Turn it on or off, or set your desired time duration.
The guidance light stays enabled between drives. You can disable it via the display.