2012 Jeep Wrangler Owner Manual - Page 278

276 UNDERSTANDING YOUR INSTRUMENT PANEL tires of a different size than the size indicated on the Your vehicle has also been equipped with a TPMS vehicle placard or tire inflation pressure label, you should malfunction indicator to indicate when the system is not determine the proper tire inflation pressure for those tires.) operating properly. The TPMS malfunction indicator is combined with the low tire pressure telltale. When the As an added safety feature, your vehicle has been system detects a malfunction, the telltale will flash for equipped with a Tire Pressure Monitoring System approximately one minute and then remain continuously (TPMS) that illuminates a low tire pressure telltale when illuminated. This sequence will continue upon subseone or more of your tires is significantly under-inflated. quent vehicle start-ups as long as the malfunction exists. Accordingly, when the low tire pressure telltale illumiWhen the malfunction indicator is illuminated, the sysnates, you should stop and check your tires as soon as tem may not be able to detect or signal low tire pressure possible, and inflate them to the proper pressure. Driving as intended. TPMS malfunctions may occur for a variety on a significantly under-inflated tire causes the tire to of reasons, including the installation of replacement or overheat and can lead to tire failure. Under-inflation also alternate tires or wheels on the vehicle that prevent the reduces fuel efficiency and tire tread life, and may affect TPMS from functioning properly. Always check the the vehicle's handling and stopping ability. TPMS malfunction telltale after replacing one or more Please note that the TPMS is not a substitute for proper tires or wheels on your vehicle, to ensure that the tire maintenance, and it is the driver's responsibility to replacement or alternate tires and wheels allow the TPMS maintain correct tire pressure, even if under-inflation has to continue to function properly. not reached the level to trigger illumination of the TPMS low tire pressure telltale.