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 using a special tool: EL-50448. Also works on 2014 models. The tire pressure sensor on models from 2012 and later can be read only with certain specified diagnostic tools. Compatible with all General Motors vehicles manufactured with a 315 or 433 MHz TPMS. Will not work if aftermarket sensors with the wrong frequency are installed. Widely used for most GM vehicles equipped with a 315 or 433 MHz Tire Pressure Monitoring System. The EL-50448 TPMS reset tool allows easy reprogramming of all tires in three steps. This tire pressure monitor sensor activation tool is user-friendly and activates individual TPM sensors with the press of a button. Essential for tire pressure sensor replacement, tire rotation, or alarm reset. Works on most General Motors vehicles (Chevy, Opel) equipped with 315 or 433 MHz TPMS sensors. Color: orange. Material: plastic + metal. Package includes: 1 x Tire Pressure Monitoring System Tool. Other products not included. Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowance is +/- 1-3 cm.