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 & 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. Descriptions: 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/Buick/GMC/Opel) equipped with 315 or 433 MHz Tire Pressure Monitor system (TPMS) sensor. Specifications: Color:orange Size:150*65*5mm Package Included: 1setx El-50448 Tire Pressure Resetter