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Old school works BEST and is only about a dollar or so every three to four years. Its called a Tire Pressure Gauge, SURPRISE! Then when your used to doing it the old fashioned way (AND/OR) are changing tires, use the old fashioned rubber valve stems (I suggest the shortest ones you can find so they don't get chopped off on curb rubs), those are pretty inexpensive as well. Finally, bypass that POS of a TPMS ASAP and be DONE WITH IT... Saves a lot o headaches and MONEY...


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