General description The EL50448 TPMS Reset Tool, also known as OEC-T5, is designed for Opel vehicles equipped with a dual-speed tire pressure monitoring system. It operates at frequencies of 315 MHz or 433 MHz and is essential for performing a "sensor relearn procedure" after tire rotation, remote door lock receiver module replacement, or tire pressure sensor replacement. Technical specifications Hardware: OEC-T5 Software: EL-50448 Material: Plastic & High-quality metal Installation Step 1 - Enter Learning Mode: Set the gear lever to "P", turn the ignition switch to "ON", and access the tire pressure interface displayed by the DIC. Press "Set/Ctrl" when prompted. Step 2 - Read the Tire Pressure Sensor Information: Start with the left front wheel, hold the antenna of EL50448 against the valve core, and press the start button. A horn beep indicates successful reading. Step 3 - Repeat for other tires: Follow the same method for the right front, right rear, and left rear wheels. The turn