Features: 1. For GM vehicles equipped with a 315 or 433 MHz Tire Pressure Monitoring (TPM) system, a "sensor relearn procedure" must be performed after tire rotation, remote control door lock receiver module replacement, or tire pressure sensor replacement. This relearning procedure can be performed using 2. Special tools: Special tools for EL-50448. 3. Specified diagnostic tools: Tire pressure sensors on models after 2012 can be read, only certain specified diagnostic tools can be used. 4. Compatible: EL50448 is suitable for all GM vehicles (Buick, Cadillac, Chevrolet, GMC) product. If you buy an aftermarket sensor with the wrong frequency, it won't work. 5. Versatile: The EL50448 is suitable for most GM vehicles, equipped with 315 or 433 MHz tire pressure monitoring (TPM) system. 6. Effect: EL-50448 TPMS reset tool can help you reprogram all tires more easily in 3 steps. The Tire Pressure Monitor Sensor Activation Tool is easy to use and activates a single TPM sensor with the push of a button. 1. For vehicles equipped with a 315 or 433 MHz tire pressure monitoring (TPM) system, a "sensor relearn procedure" must be performed after tire rotation, remote control door lock receiver module replacement, or tire pressure sensor replacement. This relearning procedure can be performed by using the special tool EL-50448.2.EL50448, which is a must for tire pressure sensor replacement, tire pressure alarm removal or tire replacement. Fits most GM vehicles (Chevrolet/Buick/GMC/Opel) equipped with 315 or 433 MHz Tire Pressure Monitoring System (TPMS) sensors. Specification: Color: Orange Size: 150*65*5mm Package Include: 1setx El-50448 Tire Pressure Resetter