2012 Jeep Grand Cherokee Owner Manual SRT - Page 470

468 STARTING AND OPERATING The system will automatically update, the graphic dis- NOTE: Your system can be set to display pressure units play of the pressure value(s) will stop "flashing," and the in PSI, kPa, or BAR. 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. SERVICE 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 "SERVICE TPM SYSTEM" message for a minimum of five seconds. This message is then followed by a graphic display, with "- -" in place of the pressure value(s), indicating which Tire Pressure Monitoring Sensor(s) is not being received.