2012 Jeep Grand Cherokee Owner Manual - Page 503

STARTING AND OPERATING 501 These effects can be reduced by timely rotation of tires. The benefits of rotation are especially worthwhile with aggressive tread designs such as those on On/Off-Road type tires. Rotation will increase tread life, help to maintain mud, snow, and wet traction levels, and contribute to a smooth, quiet ride. Refer to the "Maintenance Schedule" for the proper maintenance intervals. More frequent rotation is permissible if desired. The reasons for any rapid or unusual wear should be corrected prior to rotation being performed. Tire Rotation NOTE: The premium Tire Pressure Monitor System will automatically locate the pressure values displayed in the TIRE PRESSURE MONITOR SYSTEM (TPMS) The Tire Pressure Monitoring System (TPMS) will warn correct vehicle position following a tire rotation. the driver of a low tire pressure based on the vehicle The suggested rotation method is the "forward-cross" recommended cold tire placard pressure. shown in the following diagram. The tire pressure will vary with temperature by about 1 psi (7 kPa) for every 12°F (6.5°C). This means that when 5