Description: EL-50448 TPMS reset tool can help you reprogram all tires much easier just with 3 steps. Ensure that the vehicle is in the TPMS Learn Mode, and follow the service procedure. Hold tool against the sidewall of the tire, near the valve stem. Depress Learn button while holding the tool against the tire sidewall. Tire pressure monitor sensor activation tool is simple, fast and easy to use, activates the individual TPM sensor with the press of one button. This TPMS reset tire pressure monitor sensor tool suitable for GM Series Vehicle after 2010. Specification: Material: Plastic Size Chart: Size: Approx. 150x55x32mm/5.91x2.17x1.26inch Package Includes: 1 Piece TPMS Reset Tool Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Please understand due to the difference between different monitors, the picture may not reflect the actual color of the item.