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. ...

The windshield wipers are obstructed
Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated. - For safety reasons, you should remove the SmartKey from the ignition lock. ...

Tire labeling overview
The following markings are on the tire in addition to the tire name (sales designation) and the manufacturer's name: 1 Uniform tire Quality Grading Standard 2 DOT, Tire Identification Number ...