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 + Orange How to Use EL-50448 TPMS Activation Tool: Step 1: Enter learning mode Set the gearshift lever to "P" Turn the ignition switch to ON Access the tire pressure display interface via DIC DIC displays "Press Set / Ctrl to re-learn" Press Set / Ctrl The turn signal lights illuminate for 3 seconds and the horn beeps twice to confirm entry into learning mode Step 2: Read tire pressure sensor information from the front-left tire Place the EL-50448 tool antenna against the valve stem, near the rim and tire sidewall Press the button The horn beeps once when the tire pressure sensor information is successfully read Step 3: Repeat the above instructions to read tire pressure information from the front-right, rear-right, and rear-left tires After all four sensors are learned, the turn signal lights illuminate for 3 seconds and the horn beeps twice to indicate completion Tire Pressure Monitor Sensor TPMS Activation Tool EL-50448 OEC-T5 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 the EL-50448 special tool. Packaging includes: 1x EL-50448 Tire Pressure Reset Instrument Note: The package includes only the items listed above; other products are not included. Note: Lighting and different displays may cause slight color variations compared to the actual item. Measurement allows an error of +/- 1-3cm.