See also:

Switching the warning function on/off
Press the button ▷ On: the LED lights up. ▷ Off: the LED goes out. The state is stored for the remote control currently in use. ...

Visual warning
The approach of the vehicle to an object can be shown on the Control Display. When the distance to an object is small, a red bar is shown in front of the vehicle, as it is in the PDC display. ...

Switching on automatically
Select transmission position R with the engine running. ...