2012 Acura MDX Owner's Manual - Page 465

Tire Pressure Monitoring System (TPMS) TPMS System Failure If any of the tires has low pressure, the tire pressure monitor also shows the above message to warn you about the low tire pressure when you select the display by pressing the INFO button several times. Following this display, press the SEL/RESET button to see each tire pressure. When you continue driving after installing the spare tire, you will also see this message on the multiinformation display. If there is a problem with the TPMS, the tire pressure monitor shows a ''SYSTEM FUNCTION ERROR'' message and the tire pressure readings are not displayed. If this happens, you will first see a system warning message ''CHECK TPMS SYSTEM'' on the multi-information display. If there is a problem with the TPMS, you will see the above message on the multi-information display. If you see this message, the system is off and is not monitoring the tire pressures. Have the system checked by your dealer as soon as possible. Also, the low tire pressure/TPMS indicator begins to flash, then stays on (see page 455). 458