2009 Dodge Challenger Owner's Manual - Page 308

306 STARTING AND OPERATING Always use the lower suggested operating speed if both the chain manufacturer and vehicle manufacturer suggest a maximum speed. This notice applies to all chain traction devices, including link and cable (radial) chains. SNOW TIRES Some areas of the country require the use of snow tires during the winter. Standard tires are of the all season type These effects can be reduced by timely rotation of tires. and satisfy this requirement as indicated by the M+S The benefits of rotation are especially worthwhile with aggressive tread designs such as those on all season type designation on the tire sidewall. tires. Rotation will increase tread life, help to maintain If you need snow tires, select tires equivalent in size and mud, snow, and wet traction levels, and contribute to a type to the original equipment tires. Use snow tires only smooth, quiet ride. in sets of four. Failure to do so may adversely affect the Refer to the "Maintenance Schedule" in Section 8 for the safety and handling of your vehicle. proper maintenance intervals. Remember, more frequent Snow tires generally have lower speed ratings than what rotation is permissible if desired. Also, correct for anywas originally equipped with your vehicle and should thing causing rapid or unusual wear prior to performing not be operated at sustained speeds over 75 mph the tire rotation. (120 km/h). TIRE ROTATION RECOMMENDATIONS Tires on the front and rear axles of vehicles operate at different loads and perform different steering, driving, and braking functions. For these reasons, they wear at unequal rates and tend to develop irregular wear patterns.