TPMS Relearn Tool: Our EL-50448 is the best GM TPMS sensor activation tool to help you identify new sensors after tire changes, TPMS sensor replacements, pressure alarms, etc. Wide coverage: Our TPMS relearn tool is suitable for most GM models (from 2006-2021, cars, SUVs, pickups and light trucks, GMC or Chevy or Buick or Opel or Cadillac etc ) It is equipped with a 315 or 433 MHz tire pressure monitoring sensor (TPMS), which makes the TPMS relearn tool have a wide model range Easy to use: EL-50448 TPMS relearn tool is easy and user-friendly for first-time users with its simple steps EL-50448 Orange TPMS OEC-T5 helps you activate individual tires more easily in just 3 steps and can be easily done in 1-2 minutes Saves you valuable time to spend with your family Save money: EL 50448 TPMS relearn tool helps you save unnecessary expenses You don't need to go to a car repair shop just to reset your sensors Our EL-50448 TPMS Reset Tool helps you easily activate all tire sensors in a short time How to use: Before using the EL-50448 TPMS Reset Tool, make sure that the car is in TPMS learn mode and follow the service procedure Place it in the correct position near the valve stem Press the learn button while holding the TPMS reset tool against the side of the tire until the horn sounds once