See also:

Treadwear
The Treadwear grade is a comparative rating, based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 woul ...

Preparations For Jacking
1. Park the vehicle on a firm, level surface. Avoid ice or slippery areas. WARNING! Do not attempt to change a tire on the side of the vehicle close to moving traffic, pull far enough off the ...

Traction
When driving on wet or slushy roads, it is possible for a wedge of water to build up between the tire and road surface. This is known as hydroplaning and may cause partial or complete loss of ve ...