2004 Dodge Caravan Owner's Manual - Page 259

STARTING AND OPERATING 259 Improper alignment will not cause vehicle vibration. Vibration may be a result of tire and wheel out-ofbalance. Proper balancing will reduce vibration and avoid tire cupping and spotty wear. ALL WHEEL DRIVE (AWD) - IF EQUIPPED CAUTION! All Wheel Drive (AWD) vehicles must have the same size and type tires on all wheel positions. Unequal tire sizes must not be used. Unequal tire size may cause failure of the power transfer unit and/or the viscous coupling. TIRE PRESSURE MONITOR SYSTEM - IF EQUIPPED The Tire Pressure Monitor System (TPM) system uses wireless technology with wheel rim mounted electronic sensors to monitor tire pressure levels (EXCLUDING THE SPARE TIRE). Sensors, mounted to each wheel as part of the valve stem, transmit tire pressure readings to a receiver located in the overhead console. NOTE: The tire pressure monitoring system on your vehicle will warn you when one of your tires is significantly underinflated and when some combinations of your tires are significantly underinflated. However, there are other combinations of significantly underinflated tires for which your tire pressure monitoring system may not warn you. These other combinations are relatively common, accounting for approximately half the instances in which vehicles have significantly underinflated tires. For example, your system may not warn you when both tires on the same side or on the same axle of your vehicle 5