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:
Driving tips
This chapter provides you with information useful
in dealing with specific driving and operating
modes. ...
System limits
Personal responsibility
The high-beam assistant cannot serve as
a substitute for the driver's personal judgment
of when to use the high beams. Therefore, manually
switch off the high beams in ...
Automatic mode
The Auto Start/Stop function is operational after
each engine start.
The function is activated above a certain speed.
► Automatic transmission: from 5 mph, approx.
9 km/h. ...
