Greyghost TPMS Relearn Tool for GM, EL-50448 Orange TPMS Reset Tool Tire Sensor Tire Pressure Monitor System Activation Tool, OEC-T5 for GM Series Vehicles 2006-2021

【2021 EL-50448 TPMS Relearn Tool】: For GM series vehicles equipped with a 315MHz or 433 MHz tire pressure monitoring system, a ""sensor relearn procedure"" must be performed after tire rotations, remote control door lock receiver module replacement or tire pressure sensor replacement. This relearn procedure can be performed by using special tool EL-50448.. 【GM TPMS Reset Tool】: EL-50448 Orange OEC-T5 can help you reprogram your tire pressure easily within just 3 steps. This TPM relearn reset tool is easy to activate the individual TPM sensor with only pressing one button.. 【TPMS Sensor Activation Tool】: EL-50448 works on all motors products that have TPMS sensors. Please check whether EL-50448 is available for your car, see the last picture.. 【Easy to Use】: Before using this TPMS relearn tool & TPS reset tool, make sure your car is in the TPMS learn mode. Hold the tool against the sidewall of the tire, near the valve core. Press learn button while holding the tool against the tire sidewall until hearing horn sound from the car.. 【Notice】: Different vehicles may need different times to reset all of your tire sensors after rotation. 12 months guarantee, please feel free to contact us if you have any trouble during use.