Speed rating
The speed rating is part of the tire identification. It specifies the speed range for which the tire is approved.
See also:
Cleaning the wheels
WARNING
Do not use power washers with circular-jet
nozzles (dirt grinders) to clean your vehicle, in
particular the tires. You could otherwise
damage the tires and cause an accident. ...
Removing the ball coupling
Observe the manufacturer's installation instructions.
Press the protective cap into the ball coupling recess.
Make sure that the protective cap is firmly in place.
...
Driving with summer tires
Observe the notes in the "Winter operation"
section. ...