See also:

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 recomme ...

Checking the oil level using the oil dipstick
Park the vehicle on a level surface. To check the oil level with the engine at operating temperature, switch the engine off and wait for approximately five minutes. Pull oil dipstick 1 ou ...

Traction
WARNING The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning, or peak traction characteristi ...