2012 Jeep Liberty Owner Manual - Page 392

390 STARTING AND OPERATING cold placard pressure in order for the "Tire Pressure Telltale Light" will turn off only after the tires are inflated Monitoring Telltale Light" to turn off. The system will to the vehicle's recommended cold placard pressure automatically update and the "Tire Pressure Monitoring value. Telltale Light" will turn off once the system receives the CAUTION! updated tire pressures. The vehicle may need to be driven for up to 20 minutes above 15 mph (24 km/h) in • The TPMS has been optimized for the original order for the TPMS to receive this information. equipment tires and wheels. TPMS pressures and For example, your vehicle may have a recommended warning have been established for the tire size cold (parked for more than three hours) placard pressure equipped on your vehicle. Undesirable system of 33 psi (227 kPa). If the ambient temperature is 68°F operation or sensor damage may result when us(20°C) and the measured tire pressure is 28 psi (193 kPa), ing replacement equipment that is not of the same a temperature drop to 20°F (-7°C) will decrease the tire size, type, and/or style. Aftermarket wheels can pressure to approximately 24 psi (165 kPa). This tire cause sensor damage. Do not use aftermarket tire pressure is low enough to turn ON the "Tire Pressure sealants or balance beads if your vehicle is Monitoring Telltale Light." Driving the vehicle may cause equipped with a TPMS, as damage to the sensors the tire pressure to rise to approximately 28 psi (193 kPa), may result. but the "Tire Pressure Monitoring Telltale Light" will still (Continued) be on. In this situation, the "Tire Pressure Monitoring