The valve stems on your run-flat tires have sensors thatare part of the Tire Pressure Monitor System (TPMS).SeeTire Pressure Monitor System on page 5-58. Thesesensors contain batteries which are designed to lastfor 10 years under normal driving conditions. See yourdealer if you ever need to have a wheel replaced,or if the sensors ever need replacement.Notice: Using liquid sealants can damage the tirevalves and tire pressure monitor sensors in yourrun-flat tires. This damage would not be coveredby warranty. Don’t use liquid sealants in yourrun-flat tires.Inflation - Tire PressureThe Tire and Loading Information label, shows thecorrect inflation pressures for your tires when they’recold. “Cold” means your vehicle has been sitting forat least three hours or driven no more than 1 mile(1.6 km). SeeLoading Your Vehicle on page 4-32for more information on the Tire and LoadingInformation label.Notice: Don’t let anyone tell you that underinflationor overinflation is all right. It’s not. If your tiresdon’t have enough air (underinflation), you can getthe following:• Too much flexing• Too much heat• Tire overloading• Bad wear• Bad handling• Bad fuel economyIf your tires have too much air (overinflation), youcan get the following:• Unusual wear• Bad handling• Rough ride• Needless damage from road hazards5-57
