See also:

Wear indicators
1) New tread 2) Worn tread 3) Tread wear indicator Each tire incorporates a tread wear indicator, which becomes visible when the depth of the tread grooves decreases to 0.063 in (1.6 mm). A tir ...

2011 Subaru Impreza WRX STi By Steven Cole Smith
Lost in the flashier news of the resurgence of Ford, General Motors and Chrysler -- and the fast-rising profile of Hyundai and Kia -- is the story of Subaru, the small Japanese company which has l ...

Adverse safety consequences of under-inflation
Driving at high speeds with excessively low tire pressures can cause the tires to flex severely and to rapidly become hot. A sharp increase in temperature could cause tread separation, and failure ...