ITEM NAME:EL-50448 Auto Tire Pressure Monitor Sensor TPMS Relearn Reset Activation To E7C6 EL-50448 Auto Tire Pressure Monitor Sensor TPMS Relearn Reset Activation To E7C6 Note: please check your car model whether it can work with EL-50448,Not for TRUCK & Please use 10V-12V battery. only with some specified diagnostic tools.EL-50448 tpms reset tool can help you reprogram all tires much easier just with 3 steps. Ensure that the vehicle is in the TPMS Learn Mode, and follow the service procedure. Hold tool against the sidewall of the tire, near the valve stem. Depress Learn button while holding the tool against the tire sidewall. Tire pressure monitor sensor activation tool is simple, fast and easy to use, activates the individual TPM sensor with the press of one button. Different vehicle may need different times to reset all of your tire sensors after rotation. TPMS reset tire pressure monitor sensor tool for GM Series Vehicle for 2010-2013, package does not include the charger and battery. The tire pressure sensor on models in and after 2012 can be read, only with some specified diagnostic tools. Most of G.M vehicles equipped with a 315 or 433 MHz (TPMS) Tire Pressure Monitoring system,a "Sensor Re-Learn Procedure" must be performed after tire rotations,Remote Control Door Lock Receiver Module replacement or Tire Pressure Sensor replacement.This re-learn procedure can be performed by using EL-50448 special tire pressure tool. Before tire pressure monitoring system works normally properly, the body control module will record ID information of each position in the tire pressure sensor; and use the following methods to read the tire pressure sensor. After replacing a tire or wheel speed sensor. Step 1 - Enter leaning mode Set the gearshift lever to "P" Put the ignition switch to "ON" Enter the interface of tire pressure display by DIC DIC shows "Press Set / Ctrl to re-learn" Press "Set / Ctrl" The turn signal is lighted for 3 seconds and the horn beep sound twice to en.Ensure that the vehicle is in the TPMS Learn Mode, and follow the service procedure. Hold tool against the sidewall of the tire, near the valve stem. Depress Learn button while holding the tool against the tire sidewall.