Subaru Legacy Manuals 2012 Legacy Owner's Manual | Page 406

11-34 Maintenance and service . Abnormally low tire pressure (tread worn at shoulders) . Abnormally high tire pressure (tread worn in center) Rolling resistance is high, so fuel consumption is also higher. Ride comfort is poor. Also, the tire magnifies the effects of road surface bumps and dips, possibly resulting in vehicle damage. WARNING Driving at high speeds with excessively low tire pressures can cause the tires to deform severely and to rapidly become hot. A sharp increase in temperature could cause tread separation, and destruction of the tires. The resulting loss of vehicle control could lead to an accident. & Wheel balance Each wheel was correctly balanced when your vehicle was new, but the wheels will become unbalanced as the tires become worn during use. Wheel imbalance causes the steering wheel to vibrate slightly at certain vehicle speeds and detracts from the vehicle’s straight-line stability. It can also cause steering and suspension system problems and abnormal tire w X\