Note: EL-50448 GM TPMS Relearn Tool works for vehicle after 2010 year till some vehicle latest to 2017 year, some may not till 2017, most can works until 2014 year. Please attention it can not used on Trucks. Please refer to our vehicle list for which car model it supportBefore 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. The package does not include the charger and battery 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 enter the learning mode Step 2 - Read tire pressure sensor information Start from the front-left wheel, Make the J-46079 or Diagnostic Tool EL-50448 antenna up against the valve core position & close to the rim of the tire sidewall El-50448 tire pressure tool starts by the start switch Successful to read the tire pressure sensor information when the horn bleeps once Step 3 - Same method to read other tire pressure information Follow the instuction above to read tire pussure of the front-right, rear-right, rear-left wheels. Turn signals is lighted for 3 seconds and the horn bleeps twice when the learning is complete.
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