See also:

Notes on driving
 - If the vehicle is heavily laden, check the tire pressures and correct them if necessary.  - When parking your vehicle, make sure that the tires do not get deformed by the curb or o ...

Tire tread
WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomm ...

Notes on regularly inspecting wheels and tires
WARNING Regularly check the tires for damage. Damaged tires can cause tire inflation pressure loss. As a result, you could lose control of your vehicle. Worn, old tires can cause accidents. I ...