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:
Issuing a warning
If the vehicle begins leaving the lane and a lane
marking has been detected, the steering wheel
begins vibrating.
If the turn signal is set before the lane is
changed, a warning is not issued.
...
Changing the trip direction
Intermediate destinations are displayed in reverse
order in the list.
1. "Map"
2. "Guidance"
3. Open "Options".
4. "Reverse order of trip dest." ...
Low tire pressure message
The small warning
lamp lights up yellow
and the large warning lamp lights
up red. A message appears on the
Control Display. In addition, a signal
sounds.
▷ There is a flat tire or a ...
