2011 Jeep Grand Cherokee Owner Manual - Page 415

STARTING AND OPERATING 413 CAUTION! (Continued) • Because of restricted traction device clearance between tires and other suspension components, it is important that only traction devices in good condition are used. Broken devices can cause serious damage. Stop the vehicle immediately if noise occurs that could indicate device breakage. Remove the damaged parts of the device before further use. • Install device as tightly as possible and then retighten after driving about 1⁄2 mile (0.8 km). • Do not exceed 30 mph (48 km/h). • Drive cautiously and avoid severe turns and large bumps, especially with a loaded vehicle. • Do not drive for prolonged period on dry pavement. CAUTION! (Continued) • Observe the traction device manufacturer's instructions on the method of installation, operating speed, and conditions for use. Always use the suggested operating speed of the device manufacturer's if it is less than 30 mph (48 km/h). • Do not use traction devices on a compact spare tire. SNOW TIRES Some areas of the country require the use of snow tires during the winter. All season tires satisfy this requirement and can be indicated by the M+S designation on the tire sidewall. 5 If you need snow tires, select tires equivalent in size and type to the original equipment tires. Use snow tires only in sets of four; failure to do so may adversely affect the (Continued) safety and handling of your vehicle.