2010 Jeep Grand Cherokee Owner's Manual - Page 311

310 STARTING AND OPERATING NOTE: It is particularly important, for you to regularly A tire pressure monitoring sensor is located in the spare check the tire pressure in all of your tires and to maintain wheel, if the vehicle is equipped with a matching full-size spare wheel and tire assembly. The matching full-size the proper pressure. spare tire can be used in place of any of the four road The Tire Pressure Monitor System (TPMS) consists of the tires. A low spare tire will set the "SPARE LOW PRESfollowing components: SURE" message, but it will not cause the Tire Pressure Monitoring Telltale Light to illuminate or the chime to • Receiver Module sound. • Four Tire Pressure Monitoring Sensors Tire Pressure Monitoring Low Pressure Warnings • Three Trigger Modules (mounted in three of the four The Tire Pressure Monitoring Telltale Light will wheel wells) illuminate in the instrument cluster, and an au• Various Tire Pressure Monitoring System Messages, dible chime will be activated, when one or more of which display in the Electronic Vehicle Information the four active road tire pressures are low. In addition, the Center (EVIC), and a graphic displaying tire pressures EVIC will display one or more Low Pressure messages (Left Front, Left Rear, Right Front, Right Rear) for three • Tire Pressure Monitoring Telltale Light seconds, and a graphic display of the pressure value(s) with the low tire(s) "flashing." Refer to "Electronic Vehicle Information Center (EVIC)" in "Understanding Your Instrument Panel" for further information.