2011 Jeep Grand Cherokee Owner Manual - Page 422

420 STARTING AND OPERATING Premium System - If Equipped • Tire Pressure Monitoring Telltale Light The Tire Pressure Monitor System (TPMS) uses wireless Tire Pressure Monitoring Low Pressure Warnings technology with wheel rim-mounted electronic sensors to The Tire Pressure Monitoring Telltale Light will monitor tire pressure levels. Sensors, mounted to each illuminate in the instrument cluster, and an auwheel as part of the valve stem, transmit tire pressure dible chime will be activated, when one or more of readings to the Receiver Module. the four active road tire pressures are low. In addition, the NOTE: It is particularly important, for you to regularly EVIC will display one or more Low Pressure messages check the tire pressure in all of your tires and to maintain (Left Front, Left Rear, Right Front, Right Rear) for a minimum of five seconds, and a graphic display of the the proper pressure. pressure value(s) with the low tire(s) "flashing." Refer to The Tire Pressure Monitor System (TPMS) consists of the "Electronic Vehicle Information Center (EVIC)" in "Unfollowing components: derstanding Your Instrument Panel" for further informa• Receiver Module tion. • Four Tire Pressure Monitoring Sensors • Various Tire Pressure Monitoring System Messages, which display in the Electronic Vehicle Information Center (EVIC), and a graphic displaying tire pressures NOTE: Your system can be set to display pressure units in PSI, kPa, or BAR.