2025 Upgraded EL50448 Tire Pressure Monitoring System (TPMS) Reset Tool The Grundig EL50448 is a professional Tire Pressure Monitoring System (TPMS) relearn tool suitable for replacing tire pressure sensors, clearing tire pressure warnings, or after tire rotation/replacement. Wide Model Coverage Compatible with most GM, Chevrolet, Buick, Cadillac, and Opel vehicles manufactured from 2006 to 2022 equipped with 315 MHz or 433 MHz Tire Pressure Monitoring System (TPMS) sensors. Suitable for sedans, SUVs, and pickup trucks. (Not compatible with vehicles not equipped with TPMS.) Easy to Use – 3 Simple Steps Place your vehicle in TPMS learn mode following the service procedure. Place the tool against the tire sidewall near the valve stem. Press the "Learn" button. The sensor will reset within 1-2 minutes. Ensure the tool's antenna is in the correct position. Please use a 9V battery (not included). Resetting all tire sensors may require multiple attempts depending on the vehicle. Specifications Model: EL-50448 Function: Tire Pressure Sensor Reset Tool (TPMS Relearn) Compatibility: GM/Opel/Chevrolet/Buick/Cadillac 2006–2022 Frequency: 315 MHz / 433 MHz Material: High-quality plastic and metal Voltage: 12V (battery-operated, requires a 9V battery) Package Contents 1 × Grundig EL50448 Tire Pressure Reset Tool 1 × User Manual