EL-50448 Auto Tire Pressure Monitor Sensor Activation Tool TPMS Reset For GM Car Features: 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. This TPMS reset tire pressure monitor sensor tool suitable for GM Series Vehicle after 2010. Specifications: Hardware Version: OEC-T5 Software Version: EL-50448 Color: Black + Orange Size: 90 x 60 mm / 0.3"x 0.2 Note: The battery and charger are not included. Please prepare "'"1x 9V 6F22"'" battery. Manual: 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. Package Includes: 1 x EL-50448 OEC-T5 GM Car Pressure Monitor Sensor