Tire tread
Summer tires
Do not drive with a tire tread depth of less than 0.12 in/3 mm.
There is an increased danger of hydroplaning if the tread depth is less than 0.12 in/3 mm.
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.
Minimum tread depth

Wear indicators are distributed around the tire's circumference and have the legally required minimum height of 0.063 in/1.6 mm.
They are marked on the side of the tire with TWI, Tread Wear Indicator.
See also:
Displays in the instrument cluster
    The transmission position is 
displayed,
e.g.: P. ...
   
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  ...
   
Initialization
   The initialization process adopts the set inflation 
tire pressures as reference values for the detection of a flat tire. 
Initialization is started by confirming 
the inflation pressures.
Do not  ...
   
