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:
Switching off automatically
System switches off: above approx. 9 mph/
15 km/h.
Switch on the system again if necessary. ...
Special destinations
Opening the search for special
destinations
To select special destinations, e.g., hotels or
tourist attractions:
1. "Navigation"
2. "Points of Interest"
3. Select the searc ...
Resuming the original route
If the route section should no longer be bypassed:
1. "Navigation"
2. "Route information"
3. "New route for:"
4. "Remove blocking" ...
