Tire pressure monitor sensor activation tool is simple, fast and easy to use. It can activate the individual TPM sensor with the press of one button.Use the following methods to read the tire pressure sensor: Step 1: Enter Learning Mode. Set the gearshift stem 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. Turn signal is lighted for 3 seconds and the horn bleep sound twice to enter the learning mode. Step 2: Read sensor information. Make its antenna up against the valve core position and close to the rim of the tire sidewall. Successful to read the sensor information when the horn bleeps once. Step 3: Same method to read other tire pressure information. Follow the instruction above to read tire pressure of wheels. Turn signals is lighted for 3 seconds and the horn bleeps twice when the learning is complete.Made from plastic and rubber material, this tire pressure sensor reset tool is durable for long term use.The height of this tire pressure reset tool is 15.4cm. The Width of it is 5.6cm and the thickness is 3.3cm.This tire pressure reset tool can help you reprogram all kinds of tires easily.Item Name: Tire Pressure Reset ToolMaterial:Plastic,RubberType: Vehicel Failure TesterOperating Temperature: 0 Degree Celsius - 60 Degree CelsiusPower Supply Voltage: 12-24VBattery Type: 1 x 9V Battery (Not Included)Detection System: TPMSSize:15.4cmx5.6cmx3.3cm/6.06inx2.2inx1.3inNotes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 X Tire Pressure Reset Tool