2014 Jeep Grand Cherokee Owner Manual SRT - Page 445

STARTING AND OPERATING 443 Use summer tires only in sets of four; failure to do so may While studded tires improve performance on ice, skid adversely affect the safety and handling of your vehicle. and traction capability on wet or dry surfaces may be poorer than that of non-studded tires. Some states proSnow Tires hibit studded tires; therefore, local laws should be Some areas of the country require the use of snow tires checked before using these tire types. during the winter. Snow tires can be identified by a Run Flat Tires - If Equipped mountain/snowflake symbol on the tire sidewall. Run Flat tires allow you the capability to drive 50 miles If you need snow tires, select tires equivalent in size and (80 km) at 50 mph (80 km/h) after a rapid loss of inflation type to the original equipment tires. Use snow tires only pressure. This rapid loss of inflation is referred to as the in sets of four; failure to do so may adversely affect the Run Flat mode. A Run Flat mode occurs when the tire safety and handling of your vehicle. inflation pressure is of/or below 14 psi (96 kPa). Once a Snow tires generally have lower speed ratings than what Run Flat tire reaches the run flat mode it has limited was originally equipped with your vehicle and should driving capabilities and needs to be replaced immedinot be operated at sustained speeds over 75 mph ately. A Run Flat tire is not repairable. (120 km/h). For speeds above 75 mph (120 km/h) refer to original equipment or an authorized tire dealer for recommended safe operating speeds, loading and cold tire inflation pressures. 5