Specifications: Battery Type: 1x 9V battery (Not Included) Item Weight: 0.3kg Hardware Version: OEC-T5 Software Version: EL-50448 Material Type: ABS Color: Black and Orange How to use the EL-50448 TPMS Activation Tool: Enter learning mode. Set the gearshift lever to "P". Put the ignition switch to ON. Enter the interface of tire pressure display by DIC. DIC shows "Press Set / Ctrl to re-learn". Press Set / Ctrl. The turn signal light is on for 3 seconds and the horn beeps twice to enter the learning mode. Read tire pressure sensor information from the front-left wheel. Place the EL-50448 Tool antenna up against the valve core, to the rim and tire sidewall. Press the Button. The tire pressure sensor information is successfully read when the horn sounds once. To read other tire pressure information, follow the instruction above to read tire pressure of the front-right, rear-right, and rear-left wheels. Turn signal lights turn on for 3 seconds and the horn sounds twice when the learning is complete. 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 tool EL-50448. Packaging includes: 1x EL-50448 Tire Pressure Reset Instrument