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.Special tool: special tool for EL-50448. Also works on 2014 GM models.Specified diagnostic tool: The tire pressure sensor on models in & after 2012 can be read, only with some specified diagnostic tools.Compatible: EL50448 works on all General Motors (For Buick, For Cadillac, For Chevrolet, For GMC) products manufactured.It won't work if you've purchased aftermarket sensors that are the wrong frequency.Widely Use:EL50448 fit for G.M most kind of vehicles, equipped with a 315 or 433 MHz Tire Pressure Monitoring (TPM) system.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.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.EL50448 is essential tool of replacement tire pressure sensor, tire pressure alarm remove or exchange tires.Works on most General Motors (For Chevy/For Buick/For GMC/For Opel) equipped with 315 or 433 MHz Tire Pressure Monitor system (TPMS) sensor.Colour: orangeMaterial: plastic+metalPackage Contents:1 * Tire Pressure Monitoring SystemOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.