See also:

Winter tires
Do not drive with a tire tread depth of less than 0.16 in/4 mm. Below a tread depth of 0.16 in/4 mm, tires are less suitable for winter operation. ...

System limits
Personal responsibility The system cannot serve as a substitute for the driver's personal judgment of the course of the road and the traffic situation. In the event of a warning, do not jerk th ...

Warning stages
Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning with braking function Warning ...