See also:

Wheel alignment and tire balance
The wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. In most cases, you will not need to have your wheels al ...

Tire terminology and definitions
Air Pressure: The amount of air inside the tire pressing outward on the tire. Air pressure is expressed in pounds per square inch (psi) or kilopascal (kPa). Accessory Weight: This means the combi ...

When to replace tires
The original tires on your car have tread wear indicators . The location of tread wear indicators is shown by the "TWI" or "" marks, etc., The tread wear indicators appear wh ...