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:
Vehicle information
Owner's Manual
Computer
Vehicle
...
Energy recovery
The energy of motion of the
vehicle
is converted to electrical energy
while coasting. The vehicle
battery is partially charged and
fuel consumption can be lowered. ...
Lamp and bulb replacement
General information
Lamps and bulbs make an essential contribution
to vehicle safety.
The manufacturer of the vehicle recommends
that you entrust corresponding procedures to
the service center ...
