question about tpms

Hey guys, during the week the light turned off while I was driving around and hasn't come back on (knock on wood). The pressures have been consistent as usual, took it to the dealer anyways and they couldn't find anything wrong with it. Maybe it was just false readings, kinda disappointing that there was no known cause after two weeks of bs with the pressures but its good to know that there are no problems with the car.
 
Update: I had my Hankook Ventus V12 evo K110 installed and the dealer filled the tires to 36 psi. The light continues to come on randomly. I'm at the point where I much rather have the light disabled as I know the pressure is good in all tires. By going to 36 psi it seems to have reduced the frequency, but it has not resolved the problem. The good news; love the Hankooks! You are giving up some cornering, but I do mostly highway driving. The tires are quite and offer a smooth ride. I personally will continue to purchase these tires over the Bridgestones. Why pay $100 bucks more for the same type of tire…no brainer and they look good on the stock rims.
 
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