2014 Jeep Grand Cherokee Owner Manual - Page 492

490 STARTING AND OPERATING Snow tires generally have lower speed ratings than what was originally equipped with your vehicle and should not be operated at sustained speeds over 75 mph (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. rotation for your vehicle. If your vehicle has this option, refer to an authorized tire dealer for the recommended tire rotation pattern. Compact Spare Tire - If Equipped The compact spare is for temporary emergency use only. You can identify if your vehicle is equipped with a compact spare by looking at the spare tire description on While studded tires improve performance on ice, skid the Tire and Loading Information Placard located on the and traction capability on wet or dry surfaces may be driver's side door opening or on the sidewall of the tire. poorer than that of non-studded tires. Some states proCompact spare tire descriptions begin with the letter "T" hibit studded tires; therefore, local laws should be or "S" preceding the size designation. Example: T145/ checked before using these tire types. 80D18 103M. Spare Tire Matching Original Equipped Tire And T, S = Temporary Spare Tire Wheel - If Equipped Since this tire has limited tread life, the original equipYour vehicle may be equipped with a spare tire and ment tire should be repaired (or replaced) and reinstalled wheel equivalent in look and function to the original on your vehicle at the first opportunity. equipment tire and wheel found on the front or rear axle of your vehicle. This spare tire may be used in the tire