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. ...

Switching on/off
Press the button ...

Brake force display
The concept ► During normal brake application, the outer brake lamps light up. ► During heavy brake application, the inner brake lamps light up in addition. ...