EL50448 TPMS Reset Tool Relearn Tool for GM Vehicles This tool is designed to assist in reprogramming tire pressure sensors on General Motors vehicles equipped with 315 MHz or 433 MHz TPMS systems, including Chevy, Buick, GMC, and Opel models. Features: - Helps reprogram all tires easily in just three steps - Simple, fast, and user-friendly design - Activates individual TPMS sensors with the press of a button - Essential for replacing tire pressure sensors, resetting after tire rotation, or servicing alarm systems - Works on most GM vehicles with 315 MHz or 433 MHz TPMS sensors How to Use: Ensure the vehicle is in TPMS learn mode and follow the manufacturer’s service procedure. Place the tool against the tire sidewall near the valve stem. Press and hold the learn button while the tool is in position. Note: - Proper antenna placement is critical for correct operation - Use a fully charged or new 9V battery for optimal performance - Reset times may vary depending on the vehicle model and sensor configuration