Brake pads changed and rotors turned on front and back. Check tires warning on. on 2002 Lexus LS430

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Paid approx. $470 for brake work at a reputable company. Sensors are still on although brakes works well. Should the sensors have been changed at time of work or reset? What is proper repair procedure in this situation? And is this normally done with brake work?
(1) Answer
if it is the tires warning light that is on check your tire pressures if they are within specs then you probably have a bad pressure sensor