See also:

Summer tires
- Optionally, tires with a maximum speed of over 149 mph (240 km/h) may have "ZR" in the size description depending on the manufacturer (e.g. 245/40 ZR 18). The service specificat ...

Tread
The part of the tire that comes into contact with the road. ...

Towing a vehicle with both axles on the ground
When having your vehicle towed, observe the important safety notes WARNING The power assistance for the steering and the brake force booster do not work when the engine is not running. You ...