I have not use it since service center changed out the control panel due to reading tires at psi higher than supposed to 2 months ago. All my tires was at 44 psi today and need to be at 48 as recommended. for the first 3 tires, it went smoothly with small stop and go action and stopped at 48 psi. For the last tire, it keep going continuously (not stop and go ). I have to manually unplug it and read the pressure at 53. If I didn't pay attention, it would be big troubles. Is there a way to tell the current pressure of the tire when it is pumping?