2010 Jeep Commander Owner's Manual - Page 302

302 STARTING AND OPERATING • For vehicles equipped with 18 inch wheels, do not • Drive cautiously, avoiding large bumps, potholes and install tire chains or traction devices on tires larger extreme driving maneuvers. than 235/60R18XL. Tires larger than this may not provide sufficient body clearance with chains or other TIRE ROTATION RECOMMENDATIONS Tires on the front and rear axles of vehicles operate at traction devices. different loads and perform different steering, handling, • Manufacturer recommends a cold inflation pressure of and braking functions. For these reasons, they wear at 38 psi (262 kPa) when using 235/65R17XL size tires for unequal rates and develop irregular wear patterns. this vehicle. These effects can be reduced by timely rotation of tires. • Use SAE class "S" tire chains or traction devices only. The benefits of rotation are especially worthwhile with • Follow tire chain manufacturer's instructions for aggressive tread designs such as those on On/Off-Road type tires. Rotation will increase tread life, help to mainmounting chains. tain mud, snow, and wet traction levels, and contribute to • Install chains snugly and tighten after 1/2 mi (1 km) of a smooth, quiet ride. driving. Refer to "Maintenance Schedule" in Section 8 of this • Do not exceed 30 mph (48 km/h), unless otherwise manual for the proper maintenance intervals. More frespecified by the chain manufacturer. quent rotation is permissible if desired. The reasons for any rapid or unusual wear should be corrected prior to rotation being performed.