Your tire pressure monitoring system (TPMS) sensor helps alert you to problems with your tires. On some vehicles, a single light tells you if any of your tires are low. In more advanced systems, a display shows the pressure in each tire individually. If you have a low tire pressure alert, check the tire manually before refilling it with air.
Toyota cars do normally have a reset button under the steering wheel. The reset button can be hard to find, and you can find it in the lowest area in front of your pedals. Just press the reset button for 5 seconds while the ignition is on, and the TPMS should be reset. Turn the ignition ON; Press the reset button for 5 seconds; Turn off the ...