What does the red symbol on the tyre indicate?

The red symbol on the tire indicates that it is suitable for winter weather conditions. This means the tire is designed to provide better traction and handling in wintry conditions, such as snow and ice.

In Germany, regulations specify that vehicles operating in winter conditions should use tires marked with the "M+S" (mud and snow) symbol or the Alpine symbol that is often used in conjunction with the "M+S". This ensures enhanced driving performance in snowy conditions, helping to maintain safety on the road.

While the option regarding snow chains is relevant, it is more of a specific situation rather than a general requirement. The correct combination reflects the broad capability of the tire in winter conditions. Thus, selecting all relevant features is necessary for proper compliance with German traffic laws.