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. Do tire rotation but don't have a quick and easy way to let ECU relearn new tire information.
After replacing a tire or wheel speed sensor. Step 2 - Read tire pressure sensor information. >Enter the interface of tire pressure display by DIC. >This tire pressure tool starts by the start switch.
Also works on 2014 GM models. El-50448 could program TPMS on GM 2010-2013 year. Step 2 - Read tire pressure sensor information. Enter the interface of tire pressure display by DIC. El-50448 tire pressure tool starts by the start switch.