What a nightmare. Last service was at about 30K and I reported a service brake pad monitor indicator was on. Service department checked and confirmed warning but said pads were fine, just schedule service. About 1000 miles later was the service appointment. Truck required new pads front and rear, bill was $850.00. I have owned 4 new Chevy trucks and at least that many used ones and never had pads wear out in 30K miles. Almost all of my driving is rural freeway, don't use brakes much. Dealership told me this was a design flaw, but still it is my responsibility. They told me the sensors are set to trigger with half of the pad life remaining. What a bad deal!