Customer service Tire maintenance and change Tire maintenance What is an automatic tire pressure monitoring system? What is an automatic tire pressure monitoring system? This system alerts the driver if the pressure of any tire falls by more than 20 percent from the default. Was this article useful? By telling us your opinion you help us to develop our service. Yes No 3/3 found this article useful. If you didn't get an answer you can send feedback to our customer support. You might be interested also in... What is DSI?When should a tire be taken in for maintenance?How should tires be stored? View all category's articles