2012 Jeep Wrangler Owner Manual - Page 459

STARTING AND OPERATING 457 • Seasonal temperature changes will affect tire pressure, • Tire Pressure Monitoring Telltale Light and the TPMS will monitor the actual tire pressure in A tire pressure monitoring sensor is located in the spare the tire. wheel if the vehicle is equipped with a matching full size Base System spare wheel and tire assembly. The matching full size The Tire Pressure Monitor System (TPMS) uses wireless spare tire can be used in place of any of the four road technology with wheel rim-mounted electronic sensors to tires. A low spare tire will not cause the "Tire Pressure monitor tire pressure levels. Sensors, mounted to each Monitoring Telltale Light" to illuminate or the chime to wheel as part of the valve stem, transmit tire pressure sound. readings to the Receiver Module. The "Tire Pressure Monitoring Telltale Light" will NOTE: It is particularly important for you to check the illuminate in the instrument cluster,, a "LOW TIRE tire pressure in all of your tires regularly and to maintain PRESSURE" message will display in the EVIC, and the proper pressure. an audible chime will be activated when one or more of the four active road tire pressures are low. Should this The Tire Pressure Monitor System (TPMS) consists of the occur, you should stop as soon as possible, check the following components: inflation pressure of each tire on your vehicle, and inflate • Receiver Module each tire to the vehicle's recommended cold placard pressure value. The system will automatically update • Four Tire Pressure Monitoring Sensors and the "Tire Pressure Monitoring Telltale Light" will 5