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 Position the EL-50448 tool antenna against the valve stem, near the rim and tire sidewall Press the button A single horn beep indicates successful reading of the sensor data Step 3: Repeat the above procedure to read sensor data from front-right, rear-right, and rear-left tires After all four sensors are programmed, the turn signals flash for 3 seconds and the horn beeps twice to confirm completion Tire Pressure Monitor Sensor TPMS Activation Tool EL-50448 OEC-T5 Designed for vehicles equipped with 315 MHz or 433 MHz Tire Pressure Monitoring (TPM) systems. A sensor re-learn procedure is required after tire rotation, replacement of Remote Control Door Lock Receiver Module, or replacement of a tire pressure sensor. This procedure can be completed using the EL-50448 programming tool. Packaging includes: 1x EL-50448 Tire Pressure Reset Instrument Content limited to items listed; other accessories not included Note: Lighting and monitor settings may cause slight variations in color representation between the image and actual product. Measurement tolerance: +/- 1-3cm