Mercedes-Benz GLC : Warning and indicator lamps / Vehicle

Other information:
..
If the system detects that the driver has not
steered the vehicle for a considerable period of
time or has removed their hands from the steering
wheel, display appears in the
multifunction
display. If the driver still does not steer the
vehicle, or gives no confirmation to the system,
a warning tone sounds in addition to the visual
warning message...