2009 Dodge Ram 1500 Pickup Owner Manual - Page 381

STARTING AND OPERATING 379 These cautions apply to all chain traction devices, including link and cable (radial) chains. Tire chain use is permitted only on the rear tires of 4X2 model trucks. TIRE ROTATION RECOMMENDATIONS NOTE: The use of class "S" chains is permitted with Tires on the front and rear axles of vehicles operate at different loads and perform different steering, driving, P245/70R17 tires only. and braking functions. For these reasons, they wear at SNOW TIRES unequal rates and tend to develop irregular wear patSnow tires should be of the same size and type construc- terns. tion as the front tires. Consult the manufacturer of the These effects can be reduced by timely rotation of tires. snow tire to determine any maximum vehicle speed The benefits of rotation are especially worthwhile with requirement associated with the tire. These tires should aggressive tread designs such as those on all season type always be operated at the vehicle maximum capacity tires. Rotation will increase tread life, help to maintain inflation pressures under any load condition. mud, snow and wet traction levels and contribute to a While studded tires improve performance on ice, skid smooth, quiet ride. and traction capability on wet or dry surfaces may be poorer than that of non-studded tires. Some states prohibit studded tires; therefore, local laws should be checked before using these tire types. 5