Specifications: Battery Type: 1x 9V battery (Not Included) Item Weight: 0.3 kg Hardware Version: OEC-T5 Software Version: EL-50448 Material Type: ABS Color: Black + Orange How to Use the 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 the DIC. DIC displays "Press Set / Ctrl to re-learn". Press Set / Ctrl. The turn signal light illuminates for 3 seconds and the horn beeps twice to confirm entry into learning mode. Step 2: Read Tire Pressure Sensor Information Start with the front-left tire. Place the EL-50448 tool’s antenna against the valve stem, rim, and tire sidewall. Press the button. A single horn beep indicates successful sensor reading. Step 3: Repeat for Remaining Tires Repeat the above steps for front-right, rear-right, and rear-left tires. Upon completion, the turn signal lights illuminate for 3 seconds and the horn beeps twice. Tire Pressure Monitor Sensor (TPMS) Activation Tool – EL-50448 (OEC-T5) Designed for vehicles equipped with 315 MHz or 433 MHz TPMS systems. A "Sensor Re-Learn Procedure" is required after tire rotation, Remote Control Door Lock Receiver Module replacement, or TPMS sensor replacement. This procedure can be performed using the EL-50448 tool. Package Includes: 1x EL-50448 Tire Pressure Reset Tool Note: Colors may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.