2010 Jeep Grand Cherokee Owner's Manual - Page 312

STARTING AND OPERATING 311 NOTE: Your system can be set to display pressure units The system will automatically update, the graphic disin PSI, kPa, or BAR. play of the pressure value(s) will stop "flashing," and the Tire Pressure Monitoring Telltale Light will extinguish once the updated tire pressure(s) have been received. The vehicle may need to be driven for up to 20 minutes above 15 mph (24 km/h) to receive this information. CHECK TPM SYSTEM Warning The Tire Pressure Monitoring Telltale Light will flash on and off for 75 seconds, and remain on solid when a system fault is detected. The system fault will also sound a chime. The EVIC will display a "CHECK TPM SYSTEM" message for three seconds. This message is then followed by a graphic display, with "- -" in place of the pressure value(s), indicating which Tire Pressure MoniShould a low tire condition occur on any of the four toring Sensor(s) is not being received. active road tire(s), you should stop as soon as possible, and inflate the low tire(s) that is "flashing" on the graphic display to the vehicle's recommended cold tire pressure. 5