Features: 1.For GM vehicles equipped with a 315 or 433 MHz Tire Pressure Monitoring (TPM) system, a "Sensor Re-Learn Procedure" must be performed after tire rotations, Remote Control Door Lock Receiver Module replacement or Tire Pressure Sensor replacement. This re-learn procedure can be performed by using 2.special tool: special tool for EL-50448. Also works on 2014 GM models. 3.specified diagnostic tool: The tire pressure sensor on models in and after 2012 can be read, only with some specified diagnostic tools. 4.compatible: EL50448 works on all General Motors (Buick, Cadillac, Chevrolet, GMC) products manufactured.It won't work if you've purchased aftermarket sensors that are the wrong frequency. 5.Widely Use:EL50448 fit for G.M most kind of vehicles, equipped with a 315 or 433 MHz Tire Pressure Monitoring (TPM) system. 6.Effect:EL-50448 TPMS reset tool can help you reprogram all tires much easier with 3 steps. Tire pressure monitor sensor activation tool is easy to use, activates the individual TPM sensor with the press of one button. s: 1.For vehicles equipped with a 315 or 433 MHz Tire Pressure Monitoring (TPM) system, a "Sensor Re-Learn Procedure" must be performed after tire rotations, Remote Control Door Lock Receiver Module replacement or Tire Pressure Sensor replacement. This re-learn procedure can be performed by using special tool EL-50448. 2.EL50448 is essential tool of replacement tire pressure sensor, tire pressure alarm remove or exchange tires.Works on most General Motors (Chevy or Buick or GMC or Opel) equipped with 315 or 433 MHz Tire Pressure Monitor system (TPMS) sensor. Specifications: Color:orange Size:150x65x5mm Package Included: 1setx El-50448 Tire Pressure Resetter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.