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:
Safety switch for the rear
Press the button on the driver's door if
children are being transported in the
rear.
This locks various functions so that they cannot
be operated from the rear: safety switch. ...
5 Series in the Market
The things that trouble me about the 5 Series — high price, fewer standard
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Controls
This chapter is intended to provide you with
information that will give you complete control of
your vehicle. All features and accessories that are
useful for driving and your safety, comfort and
...
