To reset the tire pressure monitoring system (TPMS) in Your 2015 Lexus IS250, park the vehicle and turn it off. You want to check the pressure when the vehicle is cold, so let it sit a bit. Add necessary air and check the pressure in all four tires. Turn the key in the ignition to On, but don't start the engine. Press the reset switch and hold it until You see the light blink three times. Give the system a few minutes to gather data and then turn the ignition off. Start the vehicle to see if the light is off. If not, You may need to drive the vehicle at speeds over 50 mph for about 20 minutes. If the light doesn't go off, You should schedule a service appointment. A reset may need to be done using a scanner tool or You might need a sensor replaced.
John M
July 16, 2020
To reset the 2015 lexus is250 tpms light, first make sure the tire pressures are right. Turn the engine on, then press and hold down the reset button. You're going to find it low and to the right of the steering wheel on the instrument panel. Keep the button down until the tpms indicator in the instrument panel pulses three times gradually which should indicate the reset feature worked.
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